Calculates plastic and yield moments. Slab bridges are defined as structures where the deck slab also serves as the main load-carrying component. Design Step 5. Determine the maximum bending moment for a one meter wide strip of the slab. Appendix C - Calculations of Creep and Shrinkage Effects. Concrete Slab Design Software Economically design post-tensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. Volume of Concrete = 0. Two other ACPA publications, Design of Concrete Pavements for City Streets and Subgrades and Subbases for Concrete Pave ments, address city street thickness design and subgrade/ subbase preparation. Alternate Design Method- Design Procedure of Two-way Slabs using ACI Moment Coefficients and Approved by BNBC 2013 Scope and Limitations (BNBC) 6. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Example Problems For Concentrated Loads Example 1: Point Load This problem is designed to demonstrate how to check the ability of a composite slab to carry a 3000 lb point load over an area of 4. RCC Slab Design is a free app for designing one way and two way reinforced concrete slab systems as per Indian Standards. A civil engineer must know all the aspects regarding the flat floor system. Concrete is ordered by volume in cubic yards. i) Shear due to weight of deck slab and wearing course = 2 x ½ x 2. “direct design method” of the present code, has led many engineers to continue to use the design method of the 1963 ACI Code for the special case of two-way slabs supported on four sides of each slab panel by relatively deep, stiff, edge beams. p y M y x y M xy x M x. 2010 CIV2226 1 Previously on this topic • Load path and load calculations • Beam design (serviceability and strength) • One way spanning slab design (serviceability and strength ) Chapter 5: Columns (strength design) • Columns are primarily compression members • Columns are also subjected to bending. 138m³ Weight of Concrete = 0. The slab is propped at the centre during construction stage. The major structural components of a slab-on-grade foundation are the floor slab itself and either grade beams or foundation walls with footings at the perimeter of the slab (see Figures 4-2 and 4-3). Methodology. Flat slab design should be based on the longer panel dimension. 4 pcf = weight of one cubic foot of water. L = span length (ft) L. Detailing drawing of slab is also explained. One level living, this home is all about function and style. Packard (Portland Cement Association, 1976) "Concrete Floor Slabs on Grade Subjected to Heavy Loads" Army Technical Manual TM 5-809-12, Air Force Manual AFM 88-3, Chapter 15 (1987). Request additional information, schedule a showing, save to your property organizer. This concrete calculator also calculates cubic meters. I have the option of tying the tank stand slab into the shed slab (can be poured at the same time if suitable) - so I'd invite advice on that idea as well. = 1/3 x 2776 Kg. How to measure the Reinforced Concrete Works Before you start any project you need to estimate the genuine construction costs that includes the fees of the contractor. From mantels to vanities, live edge dining tables, kitchen counters and bar tops, we have hundreds of wood slabs, stumps and burls in inventory to choose from for your custom design project. Prime stress resultants for design are bending. (2) Grade of Main Steel Slab Depth Calculation:- (1) Limiting Moment of Resistance & Reinf. 5″) bar is to be used y = 0. D = 150 – 2 x 25 – 12. Calculation of approximate depth from deflection criteria (Cl 23. Effective depth d= Span /((L/d)Basic x modification factor) For obtaining modification factor, the percentage of steel for slab can be assumed from 0. Calculate Aspect Ratio Aspect Ratio > 2 = Longer span/Shorter span 2. For small parking lots, a de-. Keyed joints are not recom-mended for industrial floors. Slab design is comparatively easy when compared with the design of other elements. BubbleDeck is a true biaxial slab and behaves like a solib slab, both in aelastic and plastic modes. He helped develop the current testing criteria for cast-in-place concrete products and also performed the testing and code report requirements needed for these product lines. for first column of above table: 3. Sample design calculations are included in File Nos. The Construction and Design of Concrete Slabs on Grade D. The proposed slab system must meet the current code. 2 Concrete Properties Parameter Equation/Value Unit Weight Reinforced Concrete Elements: wc = 0. COMPOSITE BEAMS - I h wx Vx qxb 4 3 = = where x is measured from the centre of the span. Before going to this topic, Please read it. 31 x 10-6m2/sec) = μ/ρ (m/s) where 2μ = dynamic viscosity (Ns/m or kg/ms) ρ = density of the fluid (kg/m3) In engineering terms, the expression for transitional pipe flow may be written: V = -2√ (2gDi) log. call us today. Our paving calculator is designed to show you how many slabs you need to pave a certain surface area. Sample design calculations are included in File Nos. Since then, the Company has consolidated its position as a market leader, in terms of their presence, applied technologies and quality standards. 829 kg + 166. HarperCollins. Enter the depth, width, and length to calculate the amount of cubic yards needed for your concrete slab. Denver Wood Slabs is located in the RiNo Arts District of Denver, Colorado, just minutes from downtown. The concrete volume calculations below assume you measured appropriately. buy precast cement pads. This investigation addresses the LRFD and Standard design methodologies of concrete deck slab, deck overhang, barrier and combined barrier-bridge overhang. "Design of Slabs-on-Ground" - ACI 360R-06 - by American Concrete Institute "Slab Thickness Design for Industrial Concrete Floors on Grade" (IS195. DESIGN OF PILE CAP. APPENDIX C Slab Calculation 2 Now try calculating the same slab, with the minimum recommended balanced load of 50% of self-weight. Calculate the thickness of the slab or pavement. Structural Calculations Connection design calculations can be found in Appendix A-300. This type of concrete slab construction requires different concrete slab design from the one we normally see that is cast on the ground. 5 Kn/m Wall load = 2 Kn/m Live load = 2 Kn/m Total U. Sachpazis Date 18/01/2014 Chk'd by Date App'd by 1 FLAT SLAB DESIGN TO BS8110:PART 1:1997 Slab geometry Span of slab in x-direction; Span x = 7200 mm Span of slab in y-direction; Span y = 7200 mm. [citation needed] Geotechnical considerations. Load factors 1. A one way slab will only have significant bending moments in the short direction. Average cost to build a house foundation is about $9,310 (1,000 sq. the columns are 300x300mm. 00 psi Modulus of Subgrade Reaction k = 100. This particular Building Designer “in a previous life” had been a building contractor. slab except for a 150 mm wide band around the perimeter. Reinforced Concrete Effective span Centre-to-centre distance between supports Longer dimension of a rectangular panel of slab for yield line calculations Modular ratio = Es/Ec Design bending moment per unit width of slab modified to account for axial load Moment per unit width about x-axis Moment per unit width about y-axis. The slab itself is usually set at a thickness of 0. When the ratio between the long to short side doesn't exceed 2, a two-way slab is present. The experiment was followed by a parametric study of total load capacity calculation with nonlinear analysis which is supplemented by calculations based on existing design model code. The axial force, moments and shears for a partic-ular strip are recovered from the analysis (on the basis of the Wood -Armer tech-. From the results of experiments on large slabs, the size effect on the shear strength of a circular slab is inversely proportional to the fourth root of the effective depth. 150 x 1 x 2400 = 360 kg which is equivalent to 3. Design of all temporary walls is the responsibility of the contractor. Calculate Aspect Ratio Aspect Ratio > 2 = Longer span/Shorter span 2. For those who do not know what are the des ign requirements of a slab. PCI/CPCI Design Manuals > Design of Hollow Core Slabs Design of Hollow Core Slabs. 3 Link Slab Section Girder Haunch Deck. Tile Pattern Tool Selecting the pattern for the installation of your new tiles has never been easier. 83 ft = L - bsupport/12. Floor slabs can range from a simple residential basement slab to a heavy-duty industrial floor. The slab is modelled as a simply supported continuous beam. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. 9 is the distribution steel to be placed on the deck. 150 x 1 x 2400 = 360 kg which is equivalent to 3. This guideline will address the various aspects of the design so that the design professional can successfully place a CMFS on a structural slab. This is done assuming k sys=2. 5 (assumed friction factor between subgrade and slab) Slab Weight, W = psf: W = wc*(t/12) Reinf. Generally, the punching shear force is taken, based on experimental data, and the control perimeter is. So, we can calculate the slab load to be around 6 to 7 kN per square meter. Allows simple FRP design of reinforcement and strengthening systems for reinforced concrete beams, slabs, walls, and columns. ONE WAY AND TWO WAY SLAB DESIGN. Waffle slab analysis and design is similar to the procedure used with flat plates except that special considerations need to be taken into account to reduce the complexity of calculations needed when using exact geometry of the two-way. 699 kb: Yield Line Analysis for Slabs: Nodal Forces and Two-way Slabs: PDF: 0. Before calculating the quantity of steel in one way slab it is very important to clear the basic concepts. Dec 3, 2019 #1 Two way slab is a slab supported by beams on all the four sides and the loads are carried by the supports along both directions, it is known as two way slab. Use ACI Table 9. 90% Design Submittal Structural Calculations – Parking Garage CDRL 03-037. Slab thickness in inches or milli meter. Concrete Slabs Calculator Input length, width and depth of the area. mat slab foundation design BASIS OF FLOOR SLAB ON GRADE DESIGN. The design summary is: 2" x 12" 20 gage composite floor deck with a 6. It is a versatile tool that challenges designers to use judgement. Slab section is normally designed as Singly Reinforced Under Reinforced Rectangular Section. Slab thickness 200 mm. DESIGN RECOMMENDATIONS FOR STEEL DECK FLOOR SLABS M. To calculate the distribution factor, area of girder (Ag), moment of inertia (Ig), girder depth(d), geometric center from bottom(yb), slab thickness(ts), girder spacing(s), and modulus of elasticity of slab and girder(Es,Eg) should be known. Consequently, ACI 360 was formed with this mission: Develop and report on criteria for design of slabs on grade, except highway and airport pavements 1. Detailed calculations for determination of flexural and shear capacity according to AASHTO LRFD, 3rd Edition, 2004. (total depth) slab. 0m from the fixed end. hmin = (inner perimeter of slab panel)/180 ≥ 90 mm. The analysis and design follow the equivalent frame analysis method of the ACI code, which considers a one-bay wide strip of the floor system as a continuous frame. Cantilever slab is always one-way. Figure 6 gives a modification coefficient which will adjust the cantilever length for smaller slabs depending on the slab size. w10 Lateral Live Load Distributionld 8. Elevated Slabs - Punching Shear Design. - AREMA chapter 8 (2011) Span s Fill hgt6 ft Rise r3 ft h7 ft Top Slab thk. Thermal mass is most commonly used for passive heating, though it can also be used to absorb and dissipate heat for passive cooling. This free concrete calculator estimates the amount of concrete necessary for a project, and can account for different shapes and amounts of concrete. Rcon is the thermal resistance of the concrete layer in m2·K/W. The load on the slab is carried by the short span in one direction. Flab Slab Analysis and Design is a lightweight application especially designed for building constructors that helps them design beamless concrete slab floors in accordance with ACI 318 frame method. Design of reinforced concrete flat slabs for punching shear. ONE WAY AND TWO WAY SLAB DESIGN. Topics: · Modelling stairs and including in the analytical model · Slab analysis and design by using finite elements and analytical strips. Concrete slab floors come in many forms and can be used to provide great thermal comfort and lifestyle advantages. Proper selection of depth and detailing of reinforcements will safeguard against excessive deflections and cracking of the cantilever slabs. “direct design method” of the present code, has led many engineers to continue to use the design method of the 1963 ACI Code for the special case of two-way slabs supported on four sides of each slab panel by relatively deep, stiff, edge beams. SOIL CONDITIONS The design procedure shown in this report is based on the use of the "effective P. Main features of the spreadsheet 1. 416x u )) which should not be less than A st min. tt 10 inBottom Slab thk. On the right is the slab formwork for a suspended concrete slab to a multi story building, but this system of concrete formwork could just as easily be used on an owner builder house. Notional layout of tendons 27 Diagram 9. 11 - LRFD Slab Bridge Design May 2019 Page 3. Dead load of the slab 2. Characteristic strength of reinforcement; fy = 460 N/mm2. RC-SOLVER: SOFTWARE FOR REINFORCED CONCRETE DESIGN pg. Will, CEE: A Finite Element Approach to Reinforced Concrete Slab Design in GT STRUDL, Georgia Institute of Technology, Atlanta, GA Explanation of Wood Armer method at BridgeTalk forums. CHECKS ON SLABS. Flat slab system is an important division of concrete floor system. com Internet: www. Directions: Enter values for design (factored) moment, beam "stem" width, b w, effective depth, d, span, spacing, and slab thickness (not all parameters are used for all calculations). Before going to this topic, Please read it. Ribs 150 mm wide @ 750 mm cc. Consequently, ACI 360 was formed with this mission: Develop and report on criteria for design of slabs on grade, except highway and airport pavements 1. A2 = projected bearing area of column load in spread footing design. 5m maximum slab width and theoretically infinite slab length. Plate Girder Splice: Design of boltes splice for steel plate girders following AASHTO LRFD, 3rd Edition (2004). 2 Concrete Properties Parameter Equation/Value Unit Weight Reinforced Concrete Elements: wc = 0. Slim Slab opens new dimensions for contemporary architecture because it combines low thicknesses with large formats guaranteeing high technical performance a lower load on the floors and an aesthetic quality never seen before! The tiles which can be laid with a minimum joint enhance the rooms with unique effects of visual continuity. How to measure the Reinforced Concrete Works Before you start any project you need to estimate the genuine construction costs that includes the fees of the contractor. 678 kg + 63. ADAPT-PT® Post-Tensioned Slab and Beam Design Software An indispensable production tool for your post-tensioned concrete projects. The deflection calculation considers the deformation of such a typical region in one direction at a time, alter which the contributions front each direction are added to obtain the total deflection at any point of interest. Girder and slab properties can easily be determined from Concrete Girder Geometry Calculator. 1 Robert Maillart’s Contribution. It resists the fall of the bridge due to heavy wind load. Nagy 1 and István Szatmári 2 Technical University of Budapest, Department of Steel Structures H-1521 Budapest SUMMARY There is an enhanced intention imposed on building construction industry to improve time and structural efficiency of structures. Slab Load Calculation = 0. Design the slab using the data given below; Purpose of building – Residential f ck = 25 Mpa f yk = 460 Mpa Concrete cover = 25 mm Height of block wall = 2. Design Guides 3. 2 TRACK AND WHEEL GAUGES AND FLANGEWAYS 4. Slab f’ c = 3,000 – 4,000 psi Superimposed dead loads 100-200 psf Live loads 70-100 psf Typical slab thickness – Non-prestressed 12-14” – Post-tensioned 10-12” Non-prestressed slabs satisfy code deflection criteria by inspection. A1 = area of column in spread footing design. Allows simple FRP design of reinforcement and strengthening systems for reinforced concrete beams, slabs, walls, and columns. In many cases, the passive force P p is ignored in calculating the factor of safety with respect to sliding. Those differences are: Those differences are: The min. Or you can simply treat the pillar or column like it's cross section is square and. Calculation Package 300-2 300 Floor and Roof Framing Calculation Index: [Conc Slab, PT Slab] Design Strip Key Plan 312 [Conc Slab, PT Slab] Design Strip Design 313 [Conc Slab, PT Slab] Punching Shear Key Plan 314. It may be better to use this post hole volume calculator for a more accurate calculation. ASCE, SECB COURSE CONTENT Slab on Grades Construction: Introduction Concrete slabs on grade are a very common type of concrete construction. The goal of this reinforced concrete design example is to find the design moment strength of a reinforced concrete one-way slab per ACI Code 318-11. Press "update" button. It designs the slab at thousands of discrete points taking into consideration an unlimited number of load cases. The codes governing the design of the one-way slab will be ACI 318-02 and IBC 2003. Please Select the Grade of Concrete for Two-Way Slab Construction. Number of Required Bars Formula = (Length of slab / spacing) + 1. The new slab is allowed to take up its instantaneous deflected shape under self-weight, and only can a designer confidently assume that the floor self-weight is now being transferred directly to the. 0m height is provided at the end of cantilever fc’ = 17. Figure 6 gives a modification coefficient which will adjust the cantilever length for smaller slabs depending on the slab size. Slab Load Calculation = 0. 75*fy: As = in. Figure 7b, and input the result in cell Slab Thickness, t. This example problem of a Concrete Slab Formwork design using an excel spreadsheet is very handy for all construction professionals out there. SYSTEM DESIGN 3 Total System Btu/hr Capacity 3 Total Flow Rate 3 Tubing Selection 3 Total Tubing and Number of Loops Required 3 Manifold Selection and Location 3 Pumps, Expansion Tanks and other Accessories 4 3. h = d – y If #4 (dia 0. 輸ssume the weight of slab as 50 pounds per square foot, giving a total load of 300 pounds per linear foot for a section of slab 12 inches wide. UHPC Link Slab Design UHPC Workshop June 28th, 2017 Jim Scarlata, P. H1/AS1 amends NZS 4218 so that concrete slab-on-ground floors are deemed to achieve a construction R-value of R1. The given concrete slab calculator is a perfect tool to estimate the amount of materials needed, in particular, it can be used to calculate: the quantity of construction materials like gravel chippings, sand, cement, and required for the mortar;. Total load for design of slab or w = wd + ws. Designs for brick paving natural brick pavers design, 74 paver patio ideas kawaii interior, Brick paving designs interlocking stone pavers, Paver pattern calculator plus a ton of different layouts, 74 paver patio ideas kawaii interior, Circular pattern red brick paver patio in northville, Inca slab in riviera www techo bloc com www facebook com, 74 paver patio ideas kawaii interior, Modern. Request additional information, schedule a showing, save to your property organizer. to prevent any upward forces being transmitted into the deck slab extension. Use the footing calculator to calculate the sides of the porch and the steps; Here is an example: This porch has 9 sq. Slab bridges are defined as structures where the deck slab also serves as the main load-carrying component. Terminology 6. The design procedure separately incl udes determining thickness of slab under wall load. Types of Design For Two Way Slabs 1-Two Way Solid Slab With Beams. 04-18 of this section to assist the designer in the design of deck slab extensions. Slab design may not be that ‘challenging’ to some compared to designing walls and columns and the parts of the lateral force resisting systems (LFRS). Determine the Design Loads (Live and Dead) The live load is comprised of the design lane load (0. Slab Load Calculation = 0. Calculate Aspect Ratio Aspect Ratio > 2 = Longer span/Shorter span 2. foundation analysis and design examples D The proposed foundation for the home is a system of steel pipe piles, a reinforced concrete grade beam, and concrete columns extending from the grade beam to the elevated structure. 75m Provide 450 mm thickness for the stem at the base and 200 mm at the top H=5200 mm 200 b= 3000 mm tp= 750 mm 450. Beam Spacing Exterior Span Interior Span Exterior Span slab span. Design and detailing of reinforced concrete beams and slabs. The subgrade drag equation referenced in ACI 360, “Design of Slabs on Grade,”. h = d – y If #4 (dia 0. 14 Restraint to curling and hogging. 06 June 2, 2017 Prepared by: Regional Rail Partners For: North Metro Rail Line Project RTD CONTRACT No. Departments of Transportation adopted the AASHTO LRFD Bridge Design Specifications during the year 2007, which is mandated by AASHTO and FHWA. The slab itself is usually set at a thickness of 0. The design variables are taken as the effective depth of the slab, ribs width, the spacing between ribs, the top slab thickness, the area of flexural reinforcement at the moment critical sections,. Design Procedure for One Way Slab. EurocodeApplied. The design shear force V d is below the maximum punching strength V Rd,max. Typically the two uniform loads applied to a slab are a DC2 load for the barrier and DW load for the wearing surface. Special issues relating to the calculation of steel stresses in non-flexural members, such as slabs on ground, preclude this booklet being used directly to design these elements for crack control. This video shows you how to calculate the amount of concrete required to pour a Concrete Slab on Ground with Splayed edge beam and a Rebated edge. Of course, this comes with a list of design particularities - negligible in typical framing structures (such as punching shear) - that the structural engineer must address in order to achieve safeness and performance. slab track design for high speed lines. Allowable compressive stress for design at top of slab is limited to. Design Guides 3. FOREWORD This spreadsheet performs an analysis and design of two-way spanning reinforced concrete slab. 0, slab is called two-way slab, as shown in the fig. 1 Robert Maillart’s Contribution. Matthew Stuart, P. The most common application of suspended slab in residential construction is used at garage floor where below the garage floor is a storage room or additional area for family usage. Remmeber to add the self weight as a dead load if using this option. EXAMPLE CALCULATION 4 Equipment. Slim Slab opens new dimensions for contemporary architecture because it combines low thicknesses with large formats guaranteeing high technical performance a lower load on the floors and an aesthetic quality never seen before! The tiles which can be laid with a minimum joint enhance the rooms with unique effects of visual continuity. The International Residential Code ® (IRC) includes prescriptive methods for. Slab is at grade rather than floating above grade. Flat Slab Analysis and Design designs beamless concrete slab floors (flat slab or waffle slab) in accordance with ACI 318. A st = M u / (0. Here is some information on those calculations. Intermediate values may be interpolated. p y M y x y M xy x M x. For more information refer "Slab auto-detection" of slab from help Content. Name: Code: Data code Materials A Load zone width m a Shear reinforcement V Beam width mm b Clear span m L 1 C20/25-16/ F2 B 500 3,90 Bent-up bars + link 270 l1=5,15 l2=4,70 2 C25/30-16/ F2 B 500 4,45 330 l1=5,60 l2=5,25 3 C30/37-16/F2. The punching problem of reinforced concrete flat slabs and flat foundations has two main aspects, related to load carrying capacity of these structures under shear forces. Design the slab using the data given below; Purpose of building - Residential f ck = 25 Mpa f yk = 460 Mpa Concrete cover = 25 mm Height of block wall = 2. 25 so that this is one way slab 2. Inroduction When the ratio (L/S) is less than 2. The new slab is allowed to take up its instantaneous deflected shape under self-weight, and only can a designer confidently assume that the floor self-weight is now being transferred directly to the. It can also account for the gap or overlap between tiles. Slab Load Calculation = 0. CSS has over the past 10 years and over 100 projects, provided our company, Chalkline Construction, with a holistic service incorporating engineering, design, slab supply and professional advice. 0, slab is called two-way slab, as shown in the fig. Formula: P = 9. The calculator will automatically estimate the number of cubic yards of concrete that will be required. For those who do not know what are the des ign requirements of a slab. 150 kcf for calc. Punching shear calculations are provided for columns/pedestals that land on concrete slabs. In many cases, the passive force P p is ignored in calculating the factor of safety with respect to sliding. Composite slabs, as a part of composite steel. Design the building for seismic loads as per IS 1893 (Part 1): 2002. Enter your length, width, and thickness then hit calculate and you'll see how many cubic yards you need. Longitudinal joint spacing on two-lane and multilane concrete pavements typically is about 10 to 13 ft (3. Use US customary bars. Design is defined as the decision-. 5 (assumed friction factor between subgrade and slab) Slab Weight, W = psf: W = wc*(t/12) Reinf. Before calculating the quantity of steel in one way slab it is very important to clear the basic concepts. This tutorial shows how to configure a spreadsheet with the purpose of design the spacing of joists, stringers and shores for a concrete slab form. With our Flat Slab Analysis and Design program, you can analyze and design beamless concrete waffle slab or flat slab floors easily and precisely. ASCE, SECB COURSE CONTENT Slab on Grades Construction: Introduction Concrete slabs on grade are a very common type of concrete construction. DESIGN OF SLABS ON GRADE ACI committee was specifically charged to cover design. Slab Load Calculation = 0. Structural design calculations according to Eurocodes. Design of reinforced concrete flat slabs for punching shear. [citation needed] Geotechnical considerations. procedure, detailed calculations with respect to three different design standards were conducted in this part of the design report. Hence, the "thermal gradient" loads applied refer to the differences between the top and bottom surface temperatures. Check for accuracy in both directions. Sewer pipe penetrations, water line entry penetrations, drain basins in the floor slab or sleeves for electrical, gas or communication are all common penetrations, typically with their own design or detailed features. Get complete property information, maps, street view, schools, walk score and more. Concrete slab Design: Yes, you can design the concrete slab using STAAD, with plate elements and meshing it appropriately. The shear stresses removed from the columns diminishes rapidly outside the column zones it has been demonstrated by testing and calculation and longitudinal shear stresses are within the capacity of the bubbledeck slab system. 00 psi Modulus of Elasticity E = 3,602,728. The first is obtaining the shear force value, and the second–finding the control area (failure zone dimensions). In many cases, the passive force P p is ignored in calculating the factor of safety with respect to sliding. Westergaards analysis Is actually for plates on a liquid foundation, sometimes called a. where U is factored loads, D is dead load, and L is live load. Design the slab using the data given below; Purpose of building – Residential f ck = 25 Mpa f yk = 460 Mpa Concrete cover = 25 mm Height of block wall = 2. Then for the given parameters, the slab flexural, bearing, and shear stresses are checked, the estimated crack width is determined, the minimum required distribution reinforcing is determined, and the bearing stress on the dowels at construction joints is checked. D = 130 mm d = 105 mm Loads on slab Self weight of slab = 3. , C = C = 1. For continuous slabs, hogging reinforcements are provided at top over supports and bottom bars are curtailed. RCsolver can be used in the design of concrete slabs and the calculation of longitudinal and shear reinforcements, performing all calculations according the Eurocode 2 and 8 specifications, taking into account the National Annex specifications and parameters. Granting that such is the case, none can discount the fact that slab design remains one of the major items that need to be done nonetheless. 4 psf × 15 ft) to design load on the bottom slab when flooding is at a level of 15 ft above grade. Design Examples. Negative rebars. Accordingly, main reinforcement is required in the two directions. BridgeSight. This service and product knowledge has proven invaluable to our company. A Builder’s Guide to Frost Protected Shallow Foundations 1 Background A frost protected shallow foundation (FPSF) is a practical alternative to a deeper, more-costly foundation in cold regions with seasonal ground freezing and the potential for frost heave. This appendix presents design examples of the retrofitting techniques for elevation, dry floodproofing, wet. Main Line: 281-572-1712 (Office 2): 832-427-2105 ; [email protected] Generally, the punching shear force is taken, based on experimental data, and the control perimeter is. However, where any discrepancies occur between these calculations and the working drawings, the Engineer shall be notified immediately so proper action may be taken. Please clarify. This earlier handbook format was a collection of design aids and illustrative examples, generated in the pre-calculator era. slab track design for high speed lines. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. Select slab thickness to satisfy deflection and shear requirements. loads Free calculation, no login required. Design Step 5. 6 x 6 - W2. In flat-plate floors, slab-column connections are subjected to high shear stresses produced by the transfer of axial loads and bending moments between slab and columns. Create design calculations and reinforcing drawings. Slab is one of the most famous part of a construction project. 8 m were subjected to full and 85% design pressure. Calculates plastic and yield moments. floodproofing, and construction of a floodwall in a residential setting. 11 cubic yards. As= area of steel reinforcement in concrete design. Use the footing calculator to calculate the sides of the porch and the steps; Here is an example: This porch has 9 sq. Design of Reinforced Concrete Slabs 123 method of analysis, the panel of slab has a small reserve of strength because the calculated collapse loading is 46. While the calculations are relatively simple its. Department of Transportation Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000. Part of the GSE (General Structural Engineering) software, GSE CONCRETE DESIGN allows the design of concrete members subjected to a linear, P-Delta, non-linear, seismic or dynamic analysis. The SAFI FOOTING CALCULATOR can be used in French or English with metric units, imperial units or any combinations of metric and imperial units. Rfilm_in and Rfilm_out are the air film resistance of the inside and outside surfaces, respectively. Summary of Bill of Quantities (Civil Works) Bar Bending Schedule. Post-Tension Design 1202 N. Dead load of the slab 2. 1 Introduction A slab is structural element whose thickness is small compared to its own length and width. Topping 100 mm. 3 for the basic information about creep and shrinkage effects. FS (sliding)= ( (ƩV)tanδ’+bc’ a +P p )/ (P a cosα) A minimum factor of safety of 1. To develop programs for the design of water tank of flexible base and rigid base and the underground tank to avoid the tedious calculations. Slab design may not be that ‘challenging’ to some compared to designing walls and columns and the parts of the lateral force resisting systems (LFRS). Slabs are usually used in floor and roof construction. Stem Wall Foundation Monolithic slabs. • The adjacent table addresses structure sizing when using concrete pipe for storm drains. Design and building of steel construction of the tank can not be done without taking into account the relation between upper steel construction and soil basement. sand and gravel required for m25 grade concrete for 1 much bags of cement in one cubic meter m25 What is the weight of cement. Dirt and gravel floors are cheap but they are also hard to keep clean and maintain. Master of Science And hereby certify that, in their opinion, it is worthy of acceptance. Flat Slab Analysis and Design designs beamless concrete slab floors (flat slab or waffle slab) in accordance with ACI 318. In the general case, these are calculated from the analysis of a design strip, using the Equivalent Frame Method, or Finite Elements. Monolithic slabs are foundation systems constructed in one single concrete pour, typically consisting of a 4 inch thick concrete slab with interior thickened portions under load bearing walls and also thickened at all perimeter edges, while the stem wall slabs are comprised of three components. 1) L/d < k1Xk2Xk3Xk4XBasic Value Where, k1 = Depends upon span (above 10m) K2 = Depends on. Use the footing calculator to calculate the sides of the porch and the steps; Here is an example: This porch has 9 sq. RE: Concrete slab on grade design ksdphilippines (Structural) 3 Jun 08 02:47 There's also a good reference and design guide published by the Cement and Concrete Association of Australia "Industrial Floors and Pavements". See Design Step 5. The Construction and Design of Concrete Slabs on Grade D. Free Simple beam 2 Concentrated symm. Answer / amit mehta. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. The cross strips can be omitted for small square slabs, but large rectangular slabs may need to be double-crossed. The calculator will automatically estimate the number of cubic yards of concrete that will be required. Punching Shear Basics. slab except for a 150 mm wide band around the perimeter. Thermal mass is most commonly used for passive heating, though it can also be used to absorb and dissipate heat for passive cooling. The design summary is: 2" x 12" 20 gage composite floor deck with a 6. Reinforced Slab Bridges used For short spans, a solid reinforced concrete slab, generally cast in-situ rather than precast, is the simplest design to about 25m span, such voided slabs are more economical than prestressed slabs. ft' is the tensile strength of the concrete = 7. F(Stress) = K x D Deflection of the concrete slab can be determined by using the Concrete Slab Design Formulas (see above). It is a versatile tool that challenges designers to use judgement. The same thickness of slab will be used, with the same layout Given:-- 4 bays each way 8000 x 7000 Ult. Estimate the labor price to pour concrete vs. The new slab is allowed to take up its instantaneous deflected shape under self-weight, and only can a designer confidently assume that the floor self-weight is now being transferred directly to the. The design procedure separately incl udes determining thickness of slab under wall load. CE 433, Reinforced Concrete Design Summer 2013 Example Slab Design 1 / 2 Material Properties Geometry compressive strength of concrete f'c 5,000 psi span length of slab (beam spacing L 18 ft center to center coefficient for depth of stress block 1 0. 699 kb: Yield Line Analysis for Slabs: Nodal Forces and Two-way Slabs: PDF: 0. According to ACI-318-1963. PCI/CPCI Design Manuals > Design of Hollow Core Slabs Design of Hollow Core Slabs. One level living, this home is all about function and style. Get complete property information, maps, street view, schools, walk score and more. ASCE, SECB COURSE CONTENT Slab on Grades Construction: Introduction Concrete slabs on grade are a very common type of concrete construction. 12 Design calculations for a seven-storey dormitory building according to BS 5628 12. A one way slab will only have significant bending moments in the short direction. Use our handy calculator to work out how many slabs you require to cover a surface area. Please guide me to use any other function or statement so that the formula may be shorter. Sachpazis Date 18/01/2014 Chk'd by Date App'd by 1 FLAT SLAB DESIGN TO BS8110:PART 1:1997 Slab geometry Span of slab in x-direction; Span x = 7200 mm Span of slab in y-direction; Span y = 7200 mm. 3 also contains the table of fixed end moments used in this appendix. Terminology 6. 10 Design method from patch loads using design charts. Master of Science And hereby certify that, in their opinion, it is worthy of acceptance. The cross strips can be omitted for small square slabs, but large rectangular slabs may need to be double-crossed. Photos and Property Details for 2463 SOLAR DRIVE, LOS ANGELES, CA 90046. 0 Modification factor for steel area provided = A s,prov /A s,req = 1. of 100 to 150 mm at the free end. This design guide provides a procedural outline for the design of basic. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. These penetrations are any openings in floor slabs that provide an avenue of breech for moisture entry into the building. Intermediate values may be interpolated. 1 Railroad Gauge Practice 4. tance from ACI staff, are acknowledged. knowledge of how slabs. the houes is g+1. This image has dimension 938x434 Pixel and File Size 0 KB, you can click the image above to see the large or full size photo. Design floors and foundations reliably and efficiently, saving time and money, and overcoming the most common concerns you face as a designer. Here are the steps for the Design Procedure for One Way Slab in steps. This design is a complete flat plate slab design, from shear to bending along with design of columns and shear head reinforcement. Get complete property information, maps, street view, schools, walk score and more. The strips should be 30-50mm high. Date/Time Dimensions User Comment; current: 17:47, 19 March 2014 (3. The analysis and design follow the equivalent frame analysis method of the ACI code, which considers a one-bay wide strip of the floor system as a continuous frame. Detailed understanding of Pyramidal slab. Several commercially available programs were used to perform the calculations described in this chapter. A civil engineer must know all the aspects regarding the flat floor system. Design Examples. Effective depth d= Span /((L/d)Basic x modification factor) For obtaining modification factor, the percentage of steel for slab can be assumed from 0. To develop programs for the design of water tank of flexible base and rigid base and the underground tank to avoid the tedious calculations. loads Free calculation, no login required. For further information refer to "Concrete footing design". Selection of adhesives and grouts 5. Slab f’ c = 3,000 – 4,000 psi Superimposed dead loads 100-200 psf Live loads 70-100 psf Typical slab thickness – Non-prestressed 12-14” – Post-tensioned 10-12” Non-prestressed slabs satisfy code deflection criteria by inspection. •Load balancing is used, a portion of the load on slab is balanced by the transverse forces imposed by the draped. 輸ssume the weight of slab as 50 pounds per square foot, giving a total load of 300 pounds per linear foot for a section of slab 12 inches wide. While the calculations are relatively simple its. After all, you don’t want to buy more bags of ready-mix concrete than necessary. 6 x 6 - W2. HarperCollins. = 55 ∙ 12 800 = 0. A "Span-to-depth calculator" tool is also available that calculates a slab depth that satisfies deflection criteria based on suitable L/d rules from the design code. This design should always be used unless approval to use a thinner deck is obtained from the State Bridge Engineer. According to ACI-318-1963. The first step is to make a couple of design assumptions regarding the thickness of the slab and the clear spacing between ribs. Cantilever Slab Design Calculation & Procedure Design of cantilever slab to Eurocode 2 Span of slab 1. Such calculations require a knowledge of the supporting beam or column dimensions A reasonable. The calculated deck deflections are limited to the lesser of L/180 and ¾″. exclusive slab projects is a reputable concrete slab suppliers. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. The SAFI FOOTING CALCULATOR is a stand-alone application which can be used alone or in conjunction with the GSE Concrete software, part of the GSE (General Structural Engineering) software. Set h = hmin for deflection. Number of Required Bars Formula = (Length of slab / spacing) + 1. 83 in (Span 1 and 3) = 70 ∙ 12 800 = 1. Matthew Stuart, P. With our Flat Slab Analysis and Design program, you can analyze and design beamless concrete waffle slab or flat slab floors easily and precisely. Topics: · Modelling stairs and including in the analytical model · Slab analysis and design by using finite elements and analytical strips. Divide the total area m^2 by 1. Design of structures needs to consider the worstcase loads of anticipated conditions. 0m height is provided at the end of cantilever fc’ = 17. - AREMA chapter 8 (2011) Span s Fill hgt6 ft Rise r3 ft h7 ft Top Slab thk. The calculation checks the design of one or two-way spanning reinforced concrete slabs. Minimum Depth of 2-Way Slab for Deflection Control. The loads are calculated per unit area (load/m2). 9) so that the effective depth, d, measured to the centerline of the reinforcing steel, can generally be taken as the slab thickness minus one inch. doc Page 8 Figure 3: Detailed drawing of a typical underpin on an interior concrete slab on grade. Common calculation methods like Linear Elastic and Yield line methods are applicable. Concrete slab floors come in many forms and can be used to provide great thermal comfort and lifestyle advantages. the columns are 300x300mm. CE 433, Reinforced Concrete Design Summer 2013 Example Slab Design 1 / 2 Material Properties Geometry compressive strength of concrete f'c 5,000 psi span length of slab (beam spacing L 18 ft center to center coefficient for depth of stress block 1 0. D = 150 – 2 x 25 – 12. Section Civil & Geotechnical Engineering 1 Calc. I need help to design a slab on grade. Calculations may be presented in a tabular format or on plan, but member location must be identified. Sewer pipe penetrations, water line entry penetrations, drain basins in the floor slab or sleeves for electrical, gas or communication are all common penetrations, typically with their own design or detailed features. Number of Required Bars Formula = (Length of slab / spacing) + 1. 2 m deep, 0. The unit weight of reinforced concrete is assumed to be 24 kN/m3. Would be much cheaper than radiators and gives the added possibility of solar heating. The proposed slab system must be able to be constructed at a reasonable cost. 50 kN/m2 Ultimate design load LOAD AT ULTIMATE LIMIT STATE = 1. Underpinning-08-Approved Final Copy. 1 Standard Deck Slab Design The NMDOT standard deck slab detail and slab design tables are shown below. Main steel is only provided parallel to span One-way slab is designed as singly reinforced rectangular section. The calculations' algorithms adopted in the application meet the criteria of the Polish and Europe Union building construction law, and are based on the Polish PN-B-03264:2002 and. SOIL CONDITIONS The design procedure shown in this report is based on the use of the "effective P. This paper deals with the problem of optimum design of reinforced concrete (twoway ribbed) waffle slabs using genetic algorithms. With subtle textures across its surface, creating a contemporary feel for this timeless tone, the line is available in a 12" x 24" format in five colors with coordinating 3" x 24" trim. BubbleDeck is a true biaxial slab and behaves like a solib slab, both in aelastic and plastic modes. The total load for each tributary area is then divided by the area of each footing in order to determine the load psf imposed on the soil. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. m Thornthwaite Moisture Index (climate) Soil Permeability Vegetation Unrestrained Differential Swell. D = 130 mm d = 105 mm Loads on slab Self weight of slab = 3. 15 Pile supported floors. Calculation of tensile factor is based on the formulation available in SP24 clause 22. Click on a date/time to view the file as it appeared at that time. Get complete property information, maps, street view, schools, walk score and more. Add the design information in BIM models by using ISM. This new edition of a highly practical text gives a detailed presentation of the design of common reinforced concrete structures to limit state theory in accordance with BS 8110. 0m from the fixed end. 1 through 6. 375 kn-m Ultimate Moment Mu = 1. Describe any developments and/or deviations from the structural systems as approved in the Design Development Phase. Office building. Project Sub-Title : First Floor Slab Made by Date Dead load Self weight of hollow pot slab = kN/m2 Superimposed Dead load (Screed, plaster and finishes), = 1. In any flat slab, design shear resistance is usually critical near columns. Design the slab using the data given below; Purpose of building – Residential f ck = 25 Mpa f yk = 460 Mpa Concrete cover = 25 mm Height of block wall = 2. The goal of this reinforced concrete design example is to find the design moment strength of a reinforced concrete one-way slab per ACI Code 318-11. The cross strips can be omitted for small square slabs, but large rectangular slabs may need to be double-crossed. 31 x 10-6m2/sec) = μ/ρ (m/s) where 2μ = dynamic viscosity (Ns/m or kg/ms) ρ = density of the fluid (kg/m3) In engineering terms, the expression for transitional pipe flow may be written: V = -2√ (2gDi) log. Unlike some other slab analysis programs for structural engineer companies, our program calculations follow the ACI 318-83 code's equivalent frame analysis. Often those slabs have steel reinforcement. One is the design truck alone. of cross-beam = i x 2. Detailed understanding of Pyramidal slab. Granting that such is the case, none can discount the fact that slab design remains one of the major items that need to be done nonetheless. D = Slab Thickness – Clear cover (top and bottom) – Diameter of Bar. 6 x 6 - W2. Main Line: 281-572-1712 (Office 2): 832-427-2105 ; [email protected] 40 to calculate the number of 4 way. Appendix 6—Design examples for steel FRC slabs-on-ground using yield line method, p. And for this calculation, the measurement of reinforced concrete works likebeams, slab foundation, columns, and base foundations is really very important. We can craft any Coursework Calculator Slab Design kind of writing assignment for you quickly, professionally, and at an affordable price!. The loads are calculated per unit area (load/m2). The slab and/or wall thickness is increased when shear requirements dictate or the maximum steel percentages are exceeded. we are always open for business. This includes a detailed report of the calculations and additional design features. Beds and backings to receive tiles 6. Proper selection of depth and detailing of reinforcements will safeguard against excessive deflections and cracking of the cantilever slabs. RE: Concrete slab on grade design ksdphilippines (Structural) 3 Jun 08 02:47 There's also a good reference and design guide published by the Cement and Concrete Association of Australia "Industrial Floors and Pavements". The moment and shear stresses are calculated in working stress and an appropriate safety factor against firstcracking (modulus of rupture) is applied to determine the required section modulus and thickness. FULL HAND CALCULATION, ANALYSIS AND DESIGN OF MULTI STORY BUILDING the design of reinforced concrete slabs, beams, columns, footings and Staircase were made by hand calculations according to. So, the Self-weight of each square meter of the slab would be. Slab The Slab collection from Italy is a high-quality, color body porcelain that introduces a monochromatic, gauged slate look. The thickness of a floor slab must be determined early in design because the weight of the slab is an important part of the dead load of the structure. No attempt is made to finish the re-bar design for required lengths or the number of bars to be carried continuously as this is concrete design. 5(a): hmin = L / 28, L = distance from center of support to center of support = beam spacing = 16 ft. RC floor slabs may be supported on a rectangular grid of beams or walls, or directly on columns. 10 Design method from patch loads using design charts. The experiment was followed by a parametric study of total load capacity calculation with nonlinear analysis which is supplemented by calculations based on existing design model code. So even design checks can give you less depth, checking for deflection always. We will focus our attention on tension-controlled sections. 3 of ACI 318 allows the use of shear reinforcement for slabs and footings in the form of bars, as in the vertical legs of stirrups. 12 - Camber Design Nov. Slab design is comparatively easy when compared with the design of other elements. Beginning length of the slab: number of feet diameter (number cubic yard) Concrete Column Calculator soon to come. At the base of footing the allowable soil pressure is 5000psf and base of footing is 5’ below the existing ground surface. The thickness of a floor slab must be determined early in design because the weight of the slab is an important part of the dead load of the structure. So, we can calculate the slab load to be around 6 to 7 kN per square meter. The first is obtaining the shear force value, and the second–finding the control area (failure zone dimensions). With subtle textures across its surface, creating a contemporary feel for this timeless tone, the line is available in a 12" x 24" format in five colors with coordinating 3" x 24" trim. The spreadsheet can be used to complete all the calculations required for a design in accordance with BS EN 1992 or BS 8110. For 1m slab width, • Moment, Shear Force, One-way Continuous slab • For continuous slab, moment and shear force can be obtained from Table 3. We will most likely have extra concrete on our volumetric mobile mixer. Design Manual to BS8110 Designing to BS8110 -Information required If you would like the punching shear specialists at LinkStudPSR to produce an accurate calculation using the LinkStudPSR design programme, please copy and complete the pro-forma at the back of this manual and Fax to 08456 528 528 or forward it to [email protected] Slab design Example 02 Design of simply supported slab (Two way spanning) Span of slab 4. Please read the lauses mentioned in the video while solving the problem. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. the houes is g+1. The slab and/or wall thickness is increased when shear requirements dictate or the maximum steel percentages are exceeded. Can't remember the exact name of them. Find the dead load and the live load per square meter of the slab. Concrete Slabs Calculator Input length, width and depth of the area. Slab with arches or (Arch slab) are adopted at a place where there is a need for redirecting wind load and if there is a long curve in direction of slab these slabs are adopted. Since then, the Company has consolidated its position as a market leader, in terms of their presence, applied technologies and quality standards. 2 3 Span with Link Slabs. Slab is at grade rather than floating above grade. The Paving Planner should only be used as a design aid. Set h = hmin for deflection. Prior … Continue reading "Anchor. Just plug in the numbers, make sure you choose meters, and hit calculate. com Internet: www. Slabs are designed for flexure in two orthogonal directions for both hogging and sagging moments. Welcome home to the Cheswicke, our best-selling ranch style home. 3 taken from ACI 318M-14 shall be satisfied. After sometime later, requirements for the flat slab design theory were established. 6 x 6 - W2. CE 403, Fall 2015 Slab Design Example 2 / 5 (ACI 318‐11 Referenced) Slab Thickness, t. Design Project Calculation Sheet Checked by PU Date 08-08-00 Check the adequacy of the continuous composite profiled deck slab with spans of 3. Design of reinforced concrete flat slabs for punching shear. So, the Self-weight of each square meter of the slab would be. A conventional slab for a pole barn. Commonly, concrete slabs are between 4 and 20 inches thick and are used for a purpose of floor and ceiling construction. Imposed Load 2 =3. 5 kN/m (PWD Standard) Floor finish Load =0. 375 kn-m Ultimate Moment Mu = 1. How to measure the Reinforced Concrete Works Before you start any project you need to estimate the genuine construction costs that includes the fees of the contractor. Spread the word. CE 403, Fall 2015 Slab Design Example 4 / 5 (ACI 318‐11 Referenced) Calculations for Column 2 provided below. Topping 100 mm. Appropriate loadings and their calculations (25 marks) 2. 2 TRACK AND WHEEL GAUGES AND FLANGEWAYS 4. 5 ft Unit Soil wt We 120 pcf Top Slab wtWs 150 tt 12 Ws 125. EXAMPLE CALCULATION 4 Equipment. The spreadsheet can be used to complete all the calculations required for a design in accordance with BS EN 1992 or BS 8110. the houes is g+1. Pile Cap Design Calculation Download Core Wall Design Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download Two Way Slab Design Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download One Way Slab Design Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download Sub Frame Analysis Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download. This service and product knowledge has proven invaluable to our company. Cantilever slab is always one-way. Now each square meter of the slab would have a self-weight of 0. Design of Reinforced Concrete Slabs 123 method of analysis, the panel of slab has a small reserve of strength because the calculated collapse loading is 46. 1 from CRSI provides LRFD analysis of cast-in-place rein-forced concrete slab bridge designs. with Homewyse Lists. 15, M20 concrete is used] t. Actual costs will depend on job size, conditions, and options. You can design a single span (simply supported, fixed or cantilever) or many continuous spans. Formula: P = 9. This new edition of a highly practical text gives a detailed presentation of the design of common reinforced concrete structures to limit state theory in accordance with BS 8110. All load combinations were entered into the model, and the combined load effects were compared to the reduced nominal strengths of the members. An engineer designing an on-grade slab makes the same calculations and follows the same requirements used in the design of traditional post-tensioned slabs on grade, and then applies them to the on-grade mat foundation ensuring the system possesses equal or greater stiffness. Example Problems For Concentrated Loads Example 1: Point Load This problem is designed to demonstrate how to check the ability of a composite slab to carry a 3000 lb point load over an area of 4. But it is best practice to take the analysis results from the STAAD and do the manual design.

# Slab Design Calculations

Calculates plastic and yield moments. Slab bridges are defined as structures where the deck slab also serves as the main load-carrying component. Design Step 5. Determine the maximum bending moment for a one meter wide strip of the slab. Appendix C - Calculations of Creep and Shrinkage Effects. Concrete Slab Design Software Economically design post-tensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. Volume of Concrete = 0. Two other ACPA publications, Design of Concrete Pavements for City Streets and Subgrades and Subbases for Concrete Pave ments, address city street thickness design and subgrade/ subbase preparation. Alternate Design Method- Design Procedure of Two-way Slabs using ACI Moment Coefficients and Approved by BNBC 2013 Scope and Limitations (BNBC) 6. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Example Problems For Concentrated Loads Example 1: Point Load This problem is designed to demonstrate how to check the ability of a composite slab to carry a 3000 lb point load over an area of 4. RCC Slab Design is a free app for designing one way and two way reinforced concrete slab systems as per Indian Standards. A civil engineer must know all the aspects regarding the flat floor system. Concrete is ordered by volume in cubic yards. i) Shear due to weight of deck slab and wearing course = 2 x ½ x 2. “direct design method” of the present code, has led many engineers to continue to use the design method of the 1963 ACI Code for the special case of two-way slabs supported on four sides of each slab panel by relatively deep, stiff, edge beams. p y M y x y M xy x M x. 2010 CIV2226 1 Previously on this topic • Load path and load calculations • Beam design (serviceability and strength) • One way spanning slab design (serviceability and strength ) Chapter 5: Columns (strength design) • Columns are primarily compression members • Columns are also subjected to bending. 138m³ Weight of Concrete = 0. The slab is propped at the centre during construction stage. The major structural components of a slab-on-grade foundation are the floor slab itself and either grade beams or foundation walls with footings at the perimeter of the slab (see Figures 4-2 and 4-3). Methodology. Flat slab design should be based on the longer panel dimension. 4 pcf = weight of one cubic foot of water. L = span length (ft) L. Detailing drawing of slab is also explained. One level living, this home is all about function and style. Packard (Portland Cement Association, 1976) "Concrete Floor Slabs on Grade Subjected to Heavy Loads" Army Technical Manual TM 5-809-12, Air Force Manual AFM 88-3, Chapter 15 (1987). Request additional information, schedule a showing, save to your property organizer. This concrete calculator also calculates cubic meters. I have the option of tying the tank stand slab into the shed slab (can be poured at the same time if suitable) - so I'd invite advice on that idea as well. = 1/3 x 2776 Kg. How to measure the Reinforced Concrete Works Before you start any project you need to estimate the genuine construction costs that includes the fees of the contractor. From mantels to vanities, live edge dining tables, kitchen counters and bar tops, we have hundreds of wood slabs, stumps and burls in inventory to choose from for your custom design project. Prime stress resultants for design are bending. (2) Grade of Main Steel Slab Depth Calculation:- (1) Limiting Moment of Resistance & Reinf. 5″) bar is to be used y = 0. D = 150 – 2 x 25 – 12. Calculation of approximate depth from deflection criteria (Cl 23. Effective depth d= Span /((L/d)Basic x modification factor) For obtaining modification factor, the percentage of steel for slab can be assumed from 0. Calculate Aspect Ratio Aspect Ratio > 2 = Longer span/Shorter span 2. For small parking lots, a de-. Keyed joints are not recom-mended for industrial floors. Slab design is comparatively easy when compared with the design of other elements. BubbleDeck is a true biaxial slab and behaves like a solib slab, both in aelastic and plastic modes. He helped develop the current testing criteria for cast-in-place concrete products and also performed the testing and code report requirements needed for these product lines. for first column of above table: 3. Sample design calculations are included in File Nos. The Construction and Design of Concrete Slabs on Grade D. The proposed slab system must meet the current code. 2 Concrete Properties Parameter Equation/Value Unit Weight Reinforced Concrete Elements: wc = 0. COMPOSITE BEAMS - I h wx Vx qxb 4 3 = = where x is measured from the centre of the span. Before going to this topic, Please read it. 31 x 10-6m2/sec) = μ/ρ (m/s) where 2μ = dynamic viscosity (Ns/m or kg/ms) ρ = density of the fluid (kg/m3) In engineering terms, the expression for transitional pipe flow may be written: V = -2√ (2gDi) log. call us today. Our paving calculator is designed to show you how many slabs you need to pave a certain surface area. Sample design calculations are included in File Nos. Since then, the Company has consolidated its position as a market leader, in terms of their presence, applied technologies and quality standards. 829 kg + 166. HarperCollins. Enter the depth, width, and length to calculate the amount of cubic yards needed for your concrete slab. Denver Wood Slabs is located in the RiNo Arts District of Denver, Colorado, just minutes from downtown. The concrete volume calculations below assume you measured appropriately. buy precast cement pads. This investigation addresses the LRFD and Standard design methodologies of concrete deck slab, deck overhang, barrier and combined barrier-bridge overhang. "Design of Slabs-on-Ground" - ACI 360R-06 - by American Concrete Institute "Slab Thickness Design for Industrial Concrete Floors on Grade" (IS195. DESIGN OF PILE CAP. APPENDIX C Slab Calculation 2 Now try calculating the same slab, with the minimum recommended balanced load of 50% of self-weight. Calculate the thickness of the slab or pavement. Structural Calculations Connection design calculations can be found in Appendix A-300. This type of concrete slab construction requires different concrete slab design from the one we normally see that is cast on the ground. 5 Kn/m Wall load = 2 Kn/m Live load = 2 Kn/m Total U. Sachpazis Date 18/01/2014 Chk'd by Date App'd by 1 FLAT SLAB DESIGN TO BS8110:PART 1:1997 Slab geometry Span of slab in x-direction; Span x = 7200 mm Span of slab in y-direction; Span y = 7200 mm. [citation needed] Geotechnical considerations. Load factors 1. A one way slab will only have significant bending moments in the short direction. Average cost to build a house foundation is about $9,310 (1,000 sq. the columns are 300x300mm. 00 psi Modulus of Subgrade Reaction k = 100. This particular Building Designer “in a previous life” had been a building contractor. slab except for a 150 mm wide band around the perimeter. Reinforced Concrete Effective span Centre-to-centre distance between supports Longer dimension of a rectangular panel of slab for yield line calculations Modular ratio = Es/Ec Design bending moment per unit width of slab modified to account for axial load Moment per unit width about x-axis Moment per unit width about y-axis. The slab itself is usually set at a thickness of 0. When the ratio between the long to short side doesn't exceed 2, a two-way slab is present. The experiment was followed by a parametric study of total load capacity calculation with nonlinear analysis which is supplemented by calculations based on existing design model code. The axial force, moments and shears for a partic-ular strip are recovered from the analysis (on the basis of the Wood -Armer tech-. From the results of experiments on large slabs, the size effect on the shear strength of a circular slab is inversely proportional to the fourth root of the effective depth. 150 x 1 x 2400 = 360 kg which is equivalent to 3. Design of all temporary walls is the responsibility of the contractor. Calculate Aspect Ratio Aspect Ratio > 2 = Longer span/Shorter span 2. For those who do not know what are the des ign requirements of a slab. PCI/CPCI Design Manuals > Design of Hollow Core Slabs Design of Hollow Core Slabs. 3 Link Slab Section Girder Haunch Deck. Tile Pattern Tool Selecting the pattern for the installation of your new tiles has never been easier. 83 ft = L - bsupport/12. Floor slabs can range from a simple residential basement slab to a heavy-duty industrial floor. The slab is modelled as a simply supported continuous beam. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. 9 is the distribution steel to be placed on the deck. 150 x 1 x 2400 = 360 kg which is equivalent to 3. This guideline will address the various aspects of the design so that the design professional can successfully place a CMFS on a structural slab. This is done assuming k sys=2. 5 (assumed friction factor between subgrade and slab) Slab Weight, W = psf: W = wc*(t/12) Reinf. Generally, the punching shear force is taken, based on experimental data, and the control perimeter is. So, we can calculate the slab load to be around 6 to 7 kN per square meter. Allows simple FRP design of reinforcement and strengthening systems for reinforced concrete beams, slabs, walls, and columns. ONE WAY AND TWO WAY SLAB DESIGN. Waffle slab analysis and design is similar to the procedure used with flat plates except that special considerations need to be taken into account to reduce the complexity of calculations needed when using exact geometry of the two-way. 699 kb: Yield Line Analysis for Slabs: Nodal Forces and Two-way Slabs: PDF: 0. Before calculating the quantity of steel in one way slab it is very important to clear the basic concepts. Dec 3, 2019 #1 Two way slab is a slab supported by beams on all the four sides and the loads are carried by the supports along both directions, it is known as two way slab. Use ACI Table 9. 90% Design Submittal Structural Calculations – Parking Garage CDRL 03-037. Slab thickness in inches or milli meter. Concrete Slabs Calculator Input length, width and depth of the area. mat slab foundation design BASIS OF FLOOR SLAB ON GRADE DESIGN. The design summary is: 2" x 12" 20 gage composite floor deck with a 6. It is a versatile tool that challenges designers to use judgement. Slab section is normally designed as Singly Reinforced Under Reinforced Rectangular Section. Slab thickness 200 mm. DESIGN RECOMMENDATIONS FOR STEEL DECK FLOOR SLABS M. To calculate the distribution factor, area of girder (Ag), moment of inertia (Ig), girder depth(d), geometric center from bottom(yb), slab thickness(ts), girder spacing(s), and modulus of elasticity of slab and girder(Es,Eg) should be known. Consequently, ACI 360 was formed with this mission: Develop and report on criteria for design of slabs on grade, except highway and airport pavements 1. Detailed calculations for determination of flexural and shear capacity according to AASHTO LRFD, 3rd Edition, 2004. (total depth) slab. 0m from the fixed end. hmin = (inner perimeter of slab panel)/180 ≥ 90 mm. The analysis and design follow the equivalent frame analysis method of the ACI code, which considers a one-bay wide strip of the floor system as a continuous frame. Cantilever slab is always one-way. Figure 6 gives a modification coefficient which will adjust the cantilever length for smaller slabs depending on the slab size. w10 Lateral Live Load Distributionld 8. Elevated Slabs - Punching Shear Design. - AREMA chapter 8 (2011) Span s Fill hgt6 ft Rise r3 ft h7 ft Top Slab thk. Thermal mass is most commonly used for passive heating, though it can also be used to absorb and dissipate heat for passive cooling. This free concrete calculator estimates the amount of concrete necessary for a project, and can account for different shapes and amounts of concrete. Rcon is the thermal resistance of the concrete layer in m2·K/W. The load on the slab is carried by the short span in one direction. Flab Slab Analysis and Design is a lightweight application especially designed for building constructors that helps them design beamless concrete slab floors in accordance with ACI 318 frame method. Design of reinforced concrete flat slabs for punching shear. ONE WAY AND TWO WAY SLAB DESIGN. Topics: · Modelling stairs and including in the analytical model · Slab analysis and design by using finite elements and analytical strips. Concrete slab floors come in many forms and can be used to provide great thermal comfort and lifestyle advantages. Proper selection of depth and detailing of reinforcements will safeguard against excessive deflections and cracking of the cantilever slabs. “direct design method” of the present code, has led many engineers to continue to use the design method of the 1963 ACI Code for the special case of two-way slabs supported on four sides of each slab panel by relatively deep, stiff, edge beams. SOIL CONDITIONS The design procedure shown in this report is based on the use of the "effective P. Main features of the spreadsheet 1. 416x u )) which should not be less than A st min. tt 10 inBottom Slab thk. On the right is the slab formwork for a suspended concrete slab to a multi story building, but this system of concrete formwork could just as easily be used on an owner builder house. Notional layout of tendons 27 Diagram 9. 11 - LRFD Slab Bridge Design May 2019 Page 3. Dead load of the slab 2. Characteristic strength of reinforcement; fy = 460 N/mm2. RC-SOLVER: SOFTWARE FOR REINFORCED CONCRETE DESIGN pg. Will, CEE: A Finite Element Approach to Reinforced Concrete Slab Design in GT STRUDL, Georgia Institute of Technology, Atlanta, GA Explanation of Wood Armer method at BridgeTalk forums. CHECKS ON SLABS. Flat slab system is an important division of concrete floor system. com Internet: www. Directions: Enter values for design (factored) moment, beam "stem" width, b w, effective depth, d, span, spacing, and slab thickness (not all parameters are used for all calculations). Before going to this topic, Please read it. Ribs 150 mm wide @ 750 mm cc. Consequently, ACI 360 was formed with this mission: Develop and report on criteria for design of slabs on grade, except highway and airport pavements 1. A2 = projected bearing area of column load in spread footing design. 5m maximum slab width and theoretically infinite slab length. Plate Girder Splice: Design of boltes splice for steel plate girders following AASHTO LRFD, 3rd Edition (2004). 2 Concrete Properties Parameter Equation/Value Unit Weight Reinforced Concrete Elements: wc = 0. Slim Slab opens new dimensions for contemporary architecture because it combines low thicknesses with large formats guaranteeing high technical performance a lower load on the floors and an aesthetic quality never seen before! The tiles which can be laid with a minimum joint enhance the rooms with unique effects of visual continuity. How to measure the Reinforced Concrete Works Before you start any project you need to estimate the genuine construction costs that includes the fees of the contractor. 678 kg + 63. ADAPT-PT® Post-Tensioned Slab and Beam Design Software An indispensable production tool for your post-tensioned concrete projects. The deflection calculation considers the deformation of such a typical region in one direction at a time, alter which the contributions front each direction are added to obtain the total deflection at any point of interest. Girder and slab properties can easily be determined from Concrete Girder Geometry Calculator. 1 Robert Maillart’s Contribution. It resists the fall of the bridge due to heavy wind load. Nagy 1 and István Szatmári 2 Technical University of Budapest, Department of Steel Structures H-1521 Budapest SUMMARY There is an enhanced intention imposed on building construction industry to improve time and structural efficiency of structures. Slab Load Calculation = 0. Design the slab using the data given below; Purpose of building – Residential f ck = 25 Mpa f yk = 460 Mpa Concrete cover = 25 mm Height of block wall = 2. Design Guides 3. 2 TRACK AND WHEEL GAUGES AND FLANGEWAYS 4. Slab f’ c = 3,000 – 4,000 psi Superimposed dead loads 100-200 psf Live loads 70-100 psf Typical slab thickness – Non-prestressed 12-14” – Post-tensioned 10-12” Non-prestressed slabs satisfy code deflection criteria by inspection. A1 = area of column in spread footing design. Allows simple FRP design of reinforcement and strengthening systems for reinforced concrete beams, slabs, walls, and columns. In many cases, the passive force P p is ignored in calculating the factor of safety with respect to sliding. Those differences are: Those differences are: The min. Or you can simply treat the pillar or column like it's cross section is square and. Calculation Package 300-2 300 Floor and Roof Framing Calculation Index: [Conc Slab, PT Slab] Design Strip Key Plan 312 [Conc Slab, PT Slab] Design Strip Design 313 [Conc Slab, PT Slab] Punching Shear Key Plan 314. It may be better to use this post hole volume calculator for a more accurate calculation. ASCE, SECB COURSE CONTENT Slab on Grades Construction: Introduction Concrete slabs on grade are a very common type of concrete construction. The goal of this reinforced concrete design example is to find the design moment strength of a reinforced concrete one-way slab per ACI Code 318-11. Press "update" button. It designs the slab at thousands of discrete points taking into consideration an unlimited number of load cases. The codes governing the design of the one-way slab will be ACI 318-02 and IBC 2003. Please Select the Grade of Concrete for Two-Way Slab Construction. Number of Required Bars Formula = (Length of slab / spacing) + 1. The new slab is allowed to take up its instantaneous deflected shape under self-weight, and only can a designer confidently assume that the floor self-weight is now being transferred directly to the. 0m height is provided at the end of cantilever fc’ = 17. Figure 6 gives a modification coefficient which will adjust the cantilever length for smaller slabs depending on the slab size. Slab Load Calculation = 0. 75*fy: As = in. Figure 7b, and input the result in cell Slab Thickness, t. This example problem of a Concrete Slab Formwork design using an excel spreadsheet is very handy for all construction professionals out there. SYSTEM DESIGN 3 Total System Btu/hr Capacity 3 Total Flow Rate 3 Tubing Selection 3 Total Tubing and Number of Loops Required 3 Manifold Selection and Location 3 Pumps, Expansion Tanks and other Accessories 4 3. h = d – y If #4 (dia 0. 輸ssume the weight of slab as 50 pounds per square foot, giving a total load of 300 pounds per linear foot for a section of slab 12 inches wide. UHPC Link Slab Design UHPC Workshop June 28th, 2017 Jim Scarlata, P. H1/AS1 amends NZS 4218 so that concrete slab-on-ground floors are deemed to achieve a construction R-value of R1. The given concrete slab calculator is a perfect tool to estimate the amount of materials needed, in particular, it can be used to calculate: the quantity of construction materials like gravel chippings, sand, cement, and required for the mortar;. Total load for design of slab or w = wd + ws. Designs for brick paving natural brick pavers design, 74 paver patio ideas kawaii interior, Brick paving designs interlocking stone pavers, Paver pattern calculator plus a ton of different layouts, 74 paver patio ideas kawaii interior, Circular pattern red brick paver patio in northville, Inca slab in riviera www techo bloc com www facebook com, 74 paver patio ideas kawaii interior, Modern. Request additional information, schedule a showing, save to your property organizer. to prevent any upward forces being transmitted into the deck slab extension. Use the footing calculator to calculate the sides of the porch and the steps; Here is an example: This porch has 9 sq. Slab bridges are defined as structures where the deck slab also serves as the main load-carrying component. Terminology 6. The design procedure separately incl udes determining thickness of slab under wall load. Types of Design For Two Way Slabs 1-Two Way Solid Slab With Beams. 04-18 of this section to assist the designer in the design of deck slab extensions. Slab design may not be that ‘challenging’ to some compared to designing walls and columns and the parts of the lateral force resisting systems (LFRS). Determine the Design Loads (Live and Dead) The live load is comprised of the design lane load (0. Slab Load Calculation = 0. Calculate Aspect Ratio Aspect Ratio > 2 = Longer span/Shorter span 2. foundation analysis and design examples D The proposed foundation for the home is a system of steel pipe piles, a reinforced concrete grade beam, and concrete columns extending from the grade beam to the elevated structure. 75m Provide 450 mm thickness for the stem at the base and 200 mm at the top H=5200 mm 200 b= 3000 mm tp= 750 mm 450. Beam Spacing Exterior Span Interior Span Exterior Span slab span. Design and detailing of reinforced concrete beams and slabs. The subgrade drag equation referenced in ACI 360, “Design of Slabs on Grade,”. h = d – y If #4 (dia 0. 14 Restraint to curling and hogging. 06 June 2, 2017 Prepared by: Regional Rail Partners For: North Metro Rail Line Project RTD CONTRACT No. Departments of Transportation adopted the AASHTO LRFD Bridge Design Specifications during the year 2007, which is mandated by AASHTO and FHWA. The slab itself is usually set at a thickness of 0. The design variables are taken as the effective depth of the slab, ribs width, the spacing between ribs, the top slab thickness, the area of flexural reinforcement at the moment critical sections,. Design Procedure for One Way Slab. EurocodeApplied. The design shear force V d is below the maximum punching strength V Rd,max. Typically the two uniform loads applied to a slab are a DC2 load for the barrier and DW load for the wearing surface. Special issues relating to the calculation of steel stresses in non-flexural members, such as slabs on ground, preclude this booklet being used directly to design these elements for crack control. This video shows you how to calculate the amount of concrete required to pour a Concrete Slab on Ground with Splayed edge beam and a Rebated edge. Of course, this comes with a list of design particularities - negligible in typical framing structures (such as punching shear) - that the structural engineer must address in order to achieve safeness and performance. slab track design for high speed lines. Allowable compressive stress for design at top of slab is limited to. Design Guides 3. FOREWORD This spreadsheet performs an analysis and design of two-way spanning reinforced concrete slab. 0, slab is called two-way slab, as shown in the fig. 1 Robert Maillart’s Contribution. Matthew Stuart, P. The most common application of suspended slab in residential construction is used at garage floor where below the garage floor is a storage room or additional area for family usage. Remmeber to add the self weight as a dead load if using this option. EXAMPLE CALCULATION 4 Equipment. Slim Slab opens new dimensions for contemporary architecture because it combines low thicknesses with large formats guaranteeing high technical performance a lower load on the floors and an aesthetic quality never seen before! The tiles which can be laid with a minimum joint enhance the rooms with unique effects of visual continuity. The International Residential Code ® (IRC) includes prescriptive methods for. Slab is at grade rather than floating above grade. Flat Slab Analysis and Design designs beamless concrete slab floors (flat slab or waffle slab) in accordance with ACI 318. A st = M u / (0. Here is some information on those calculations. Intermediate values may be interpolated. p y M y x y M xy x M x. For more information refer "Slab auto-detection" of slab from help Content. Name: Code: Data code Materials A Load zone width m a Shear reinforcement V Beam width mm b Clear span m L 1 C20/25-16/ F2 B 500 3,90 Bent-up bars + link 270 l1=5,15 l2=4,70 2 C25/30-16/ F2 B 500 4,45 330 l1=5,60 l2=5,25 3 C30/37-16/F2. The punching problem of reinforced concrete flat slabs and flat foundations has two main aspects, related to load carrying capacity of these structures under shear forces. Design the slab using the data given below; Purpose of building - Residential f ck = 25 Mpa f yk = 460 Mpa Concrete cover = 25 mm Height of block wall = 2. 25 so that this is one way slab 2. Inroduction When the ratio (L/S) is less than 2. The new slab is allowed to take up its instantaneous deflected shape under self-weight, and only can a designer confidently assume that the floor self-weight is now being transferred directly to the. It can also account for the gap or overlap between tiles. Slab Load Calculation = 0. CSS has over the past 10 years and over 100 projects, provided our company, Chalkline Construction, with a holistic service incorporating engineering, design, slab supply and professional advice. 0, slab is called two-way slab, as shown in the fig. Formula: P = 9. The calculator will automatically estimate the number of cubic yards of concrete that will be required. For those who do not know what are the des ign requirements of a slab. 150 kcf for calc. Punching shear calculations are provided for columns/pedestals that land on concrete slabs. In many cases, the passive force P p is ignored in calculating the factor of safety with respect to sliding. Composite slabs, as a part of composite steel. Design the building for seismic loads as per IS 1893 (Part 1): 2002. Enter your length, width, and thickness then hit calculate and you'll see how many cubic yards you need. Longitudinal joint spacing on two-lane and multilane concrete pavements typically is about 10 to 13 ft (3. Use US customary bars. Design is defined as the decision-. 5 (assumed friction factor between subgrade and slab) Slab Weight, W = psf: W = wc*(t/12) Reinf. Before calculating the quantity of steel in one way slab it is very important to clear the basic concepts. This tutorial shows how to configure a spreadsheet with the purpose of design the spacing of joists, stringers and shores for a concrete slab form. With our Flat Slab Analysis and Design program, you can analyze and design beamless concrete waffle slab or flat slab floors easily and precisely. ASCE, SECB COURSE CONTENT Slab on Grades Construction: Introduction Concrete slabs on grade are a very common type of concrete construction. DESIGN OF SLABS ON GRADE ACI committee was specifically charged to cover design. Slab Load Calculation = 0. Structural design calculations according to Eurocodes. Design of reinforced concrete flat slabs for punching shear. [citation needed] Geotechnical considerations. procedure, detailed calculations with respect to three different design standards were conducted in this part of the design report. Hence, the "thermal gradient" loads applied refer to the differences between the top and bottom surface temperatures. Check for accuracy in both directions. Sewer pipe penetrations, water line entry penetrations, drain basins in the floor slab or sleeves for electrical, gas or communication are all common penetrations, typically with their own design or detailed features. Get complete property information, maps, street view, schools, walk score and more. Concrete slab Design: Yes, you can design the concrete slab using STAAD, with plate elements and meshing it appropriately. The shear stresses removed from the columns diminishes rapidly outside the column zones it has been demonstrated by testing and calculation and longitudinal shear stresses are within the capacity of the bubbledeck slab system. 00 psi Modulus of Elasticity E = 3,602,728. The first is obtaining the shear force value, and the second–finding the control area (failure zone dimensions). In many cases, the passive force P p is ignored in calculating the factor of safety with respect to sliding. Westergaards analysis Is actually for plates on a liquid foundation, sometimes called a. where U is factored loads, D is dead load, and L is live load. Design the slab using the data given below; Purpose of building – Residential f ck = 25 Mpa f yk = 460 Mpa Concrete cover = 25 mm Height of block wall = 2. Then for the given parameters, the slab flexural, bearing, and shear stresses are checked, the estimated crack width is determined, the minimum required distribution reinforcing is determined, and the bearing stress on the dowels at construction joints is checked. D = 130 mm d = 105 mm Loads on slab Self weight of slab = 3. , C = C = 1. For continuous slabs, hogging reinforcements are provided at top over supports and bottom bars are curtailed. RCsolver can be used in the design of concrete slabs and the calculation of longitudinal and shear reinforcements, performing all calculations according the Eurocode 2 and 8 specifications, taking into account the National Annex specifications and parameters. Granting that such is the case, none can discount the fact that slab design remains one of the major items that need to be done nonetheless. 4 psf × 15 ft) to design load on the bottom slab when flooding is at a level of 15 ft above grade. Design Examples. Negative rebars. Accordingly, main reinforcement is required in the two directions. BridgeSight. This service and product knowledge has proven invaluable to our company. A Builder’s Guide to Frost Protected Shallow Foundations 1 Background A frost protected shallow foundation (FPSF) is a practical alternative to a deeper, more-costly foundation in cold regions with seasonal ground freezing and the potential for frost heave. This appendix presents design examples of the retrofitting techniques for elevation, dry floodproofing, wet. Main Line: 281-572-1712 (Office 2): 832-427-2105 ; [email protected] Generally, the punching shear force is taken, based on experimental data, and the control perimeter is. However, where any discrepancies occur between these calculations and the working drawings, the Engineer shall be notified immediately so proper action may be taken. Please clarify. This earlier handbook format was a collection of design aids and illustrative examples, generated in the pre-calculator era. slab track design for high speed lines. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. Select slab thickness to satisfy deflection and shear requirements. loads Free calculation, no login required. Design Step 5. 6 x 6 - W2. In flat-plate floors, slab-column connections are subjected to high shear stresses produced by the transfer of axial loads and bending moments between slab and columns. Create design calculations and reinforcing drawings. Slab is one of the most famous part of a construction project. 8 m were subjected to full and 85% design pressure. Calculates plastic and yield moments. floodproofing, and construction of a floodwall in a residential setting. 11 cubic yards. As= area of steel reinforcement in concrete design. Use the footing calculator to calculate the sides of the porch and the steps; Here is an example: This porch has 9 sq. Design of Reinforced Concrete Slabs 123 method of analysis, the panel of slab has a small reserve of strength because the calculated collapse loading is 46. While the calculations are relatively simple its. Department of Transportation Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000. Part of the GSE (General Structural Engineering) software, GSE CONCRETE DESIGN allows the design of concrete members subjected to a linear, P-Delta, non-linear, seismic or dynamic analysis. The SAFI FOOTING CALCULATOR can be used in French or English with metric units, imperial units or any combinations of metric and imperial units. Rfilm_in and Rfilm_out are the air film resistance of the inside and outside surfaces, respectively. Summary of Bill of Quantities (Civil Works) Bar Bending Schedule. Post-Tension Design 1202 N. Dead load of the slab 2. 1 Introduction A slab is structural element whose thickness is small compared to its own length and width. Topping 100 mm. 3 for the basic information about creep and shrinkage effects. FS (sliding)= ( (ƩV)tanδ’+bc’ a +P p )/ (P a cosα) A minimum factor of safety of 1. To develop programs for the design of water tank of flexible base and rigid base and the underground tank to avoid the tedious calculations. Slab design may not be that ‘challenging’ to some compared to designing walls and columns and the parts of the lateral force resisting systems (LFRS). Slabs are usually used in floor and roof construction. Stem Wall Foundation Monolithic slabs. • The adjacent table addresses structure sizing when using concrete pipe for storm drains. Design and building of steel construction of the tank can not be done without taking into account the relation between upper steel construction and soil basement. sand and gravel required for m25 grade concrete for 1 much bags of cement in one cubic meter m25 What is the weight of cement. Dirt and gravel floors are cheap but they are also hard to keep clean and maintain. Master of Science And hereby certify that, in their opinion, it is worthy of acceptance. Flat Slab Analysis and Design designs beamless concrete slab floors (flat slab or waffle slab) in accordance with ACI 318. In the general case, these are calculated from the analysis of a design strip, using the Equivalent Frame Method, or Finite Elements. Monolithic slabs are foundation systems constructed in one single concrete pour, typically consisting of a 4 inch thick concrete slab with interior thickened portions under load bearing walls and also thickened at all perimeter edges, while the stem wall slabs are comprised of three components. 1) L/d < k1Xk2Xk3Xk4XBasic Value Where, k1 = Depends upon span (above 10m) K2 = Depends on. Use the footing calculator to calculate the sides of the porch and the steps; Here is an example: This porch has 9 sq. RE: Concrete slab on grade design ksdphilippines (Structural) 3 Jun 08 02:47 There's also a good reference and design guide published by the Cement and Concrete Association of Australia "Industrial Floors and Pavements". See Design Step 5. The Construction and Design of Concrete Slabs on Grade D. Free Simple beam 2 Concentrated symm. Answer / amit mehta. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. The cross strips can be omitted for small square slabs, but large rectangular slabs may need to be double-crossed. The calculator will automatically estimate the number of cubic yards of concrete that will be required. Punching Shear Basics. slab except for a 150 mm wide band around the perimeter. Thermal mass is most commonly used for passive heating, though it can also be used to absorb and dissipate heat for passive cooling. The design summary is: 2" x 12" 20 gage composite floor deck with a 6. Reinforced Slab Bridges used For short spans, a solid reinforced concrete slab, generally cast in-situ rather than precast, is the simplest design to about 25m span, such voided slabs are more economical than prestressed slabs. ft' is the tensile strength of the concrete = 7. F(Stress) = K x D Deflection of the concrete slab can be determined by using the Concrete Slab Design Formulas (see above). It is a versatile tool that challenges designers to use judgement. The same thickness of slab will be used, with the same layout Given:-- 4 bays each way 8000 x 7000 Ult. Estimate the labor price to pour concrete vs. The new slab is allowed to take up its instantaneous deflected shape under self-weight, and only can a designer confidently assume that the floor self-weight is now being transferred directly to the. The design procedure separately incl udes determining thickness of slab under wall load. CE 433, Reinforced Concrete Design Summer 2013 Example Slab Design 1 / 2 Material Properties Geometry compressive strength of concrete f'c 5,000 psi span length of slab (beam spacing L 18 ft center to center coefficient for depth of stress block 1 0. 699 kb: Yield Line Analysis for Slabs: Nodal Forces and Two-way Slabs: PDF: 0. According to ACI-318-1963. PCI/CPCI Design Manuals > Design of Hollow Core Slabs Design of Hollow Core Slabs. One level living, this home is all about function and style. Get complete property information, maps, street view, schools, walk score and more. ASCE, SECB COURSE CONTENT Slab on Grades Construction: Introduction Concrete slabs on grade are a very common type of concrete construction. 12 Design calculations for a seven-storey dormitory building according to BS 5628 12. A one way slab will only have significant bending moments in the short direction. Use our handy calculator to work out how many slabs you require to cover a surface area. Please guide me to use any other function or statement so that the formula may be shorter. Sachpazis Date 18/01/2014 Chk'd by Date App'd by 1 FLAT SLAB DESIGN TO BS8110:PART 1:1997 Slab geometry Span of slab in x-direction; Span x = 7200 mm Span of slab in y-direction; Span y = 7200 mm. 3 also contains the table of fixed end moments used in this appendix. Terminology 6. 10 Design method from patch loads using design charts. Master of Science And hereby certify that, in their opinion, it is worthy of acceptance. The cross strips can be omitted for small square slabs, but large rectangular slabs may need to be double-crossed. Photos and Property Details for 2463 SOLAR DRIVE, LOS ANGELES, CA 90046. 0 Modification factor for steel area provided = A s,prov /A s,req = 1. of 100 to 150 mm at the free end. This design guide provides a procedural outline for the design of basic. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. These penetrations are any openings in floor slabs that provide an avenue of breech for moisture entry into the building. Intermediate values may be interpolated. 1 Railroad Gauge Practice 4. tance from ACI staff, are acknowledged. knowledge of how slabs. the houes is g+1. This image has dimension 938x434 Pixel and File Size 0 KB, you can click the image above to see the large or full size photo. Design floors and foundations reliably and efficiently, saving time and money, and overcoming the most common concerns you face as a designer. Here are the steps for the Design Procedure for One Way Slab in steps. This design is a complete flat plate slab design, from shear to bending along with design of columns and shear head reinforcement. Get complete property information, maps, street view, schools, walk score and more. The strips should be 30-50mm high. Date/Time Dimensions User Comment; current: 17:47, 19 March 2014 (3. The analysis and design follow the equivalent frame analysis method of the ACI code, which considers a one-bay wide strip of the floor system as a continuous frame. Detailed understanding of Pyramidal slab. Several commercially available programs were used to perform the calculations described in this chapter. A civil engineer must know all the aspects regarding the flat floor system. Design Examples. Effective depth d= Span /((L/d)Basic x modification factor) For obtaining modification factor, the percentage of steel for slab can be assumed from 0. To develop programs for the design of water tank of flexible base and rigid base and the underground tank to avoid the tedious calculations. loads Free calculation, no login required. For further information refer to "Concrete footing design". Selection of adhesives and grouts 5. Slab f’ c = 3,000 – 4,000 psi Superimposed dead loads 100-200 psf Live loads 70-100 psf Typical slab thickness – Non-prestressed 12-14” – Post-tensioned 10-12” Non-prestressed slabs satisfy code deflection criteria by inspection. •Load balancing is used, a portion of the load on slab is balanced by the transverse forces imposed by the draped. 輸ssume the weight of slab as 50 pounds per square foot, giving a total load of 300 pounds per linear foot for a section of slab 12 inches wide. While the calculations are relatively simple its. After all, you don’t want to buy more bags of ready-mix concrete than necessary. 6 x 6 - W2. HarperCollins. = 55 ∙ 12 800 = 0. A "Span-to-depth calculator" tool is also available that calculates a slab depth that satisfies deflection criteria based on suitable L/d rules from the design code. This design should always be used unless approval to use a thinner deck is obtained from the State Bridge Engineer. According to ACI-318-1963. The first step is to make a couple of design assumptions regarding the thickness of the slab and the clear spacing between ribs. Cantilever Slab Design Calculation & Procedure Design of cantilever slab to Eurocode 2 Span of slab 1. Such calculations require a knowledge of the supporting beam or column dimensions A reasonable. The calculated deck deflections are limited to the lesser of L/180 and ¾″. exclusive slab projects is a reputable concrete slab suppliers. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. The SAFI FOOTING CALCULATOR is a stand-alone application which can be used alone or in conjunction with the GSE Concrete software, part of the GSE (General Structural Engineering) software. Set h = hmin for deflection. Number of Required Bars Formula = (Length of slab / spacing) + 1. 83 in (Span 1 and 3) = 70 ∙ 12 800 = 1. Matthew Stuart, P. With our Flat Slab Analysis and Design program, you can analyze and design beamless concrete waffle slab or flat slab floors easily and precisely. Topics: · Modelling stairs and including in the analytical model · Slab analysis and design by using finite elements and analytical strips. Divide the total area m^2 by 1. Design of structures needs to consider the worstcase loads of anticipated conditions. 0m height is provided at the end of cantilever fc’ = 17. - AREMA chapter 8 (2011) Span s Fill hgt6 ft Rise r3 ft h7 ft Top Slab thk. The calculation checks the design of one or two-way spanning reinforced concrete slabs. Minimum Depth of 2-Way Slab for Deflection Control. The loads are calculated per unit area (load/m2). 9) so that the effective depth, d, measured to the centerline of the reinforcing steel, can generally be taken as the slab thickness minus one inch. doc Page 8 Figure 3: Detailed drawing of a typical underpin on an interior concrete slab on grade. Common calculation methods like Linear Elastic and Yield line methods are applicable. Concrete slab floors come in many forms and can be used to provide great thermal comfort and lifestyle advantages. the columns are 300x300mm. CE 433, Reinforced Concrete Design Summer 2013 Example Slab Design 1 / 2 Material Properties Geometry compressive strength of concrete f'c 5,000 psi span length of slab (beam spacing L 18 ft center to center coefficient for depth of stress block 1 0. D = 150 – 2 x 25 – 12. Section Civil & Geotechnical Engineering 1 Calc. I need help to design a slab on grade. Calculations may be presented in a tabular format or on plan, but member location must be identified. Sewer pipe penetrations, water line entry penetrations, drain basins in the floor slab or sleeves for electrical, gas or communication are all common penetrations, typically with their own design or detailed features. Number of Required Bars Formula = (Length of slab / spacing) + 1. 2 m deep, 0. The unit weight of reinforced concrete is assumed to be 24 kN/m3. Would be much cheaper than radiators and gives the added possibility of solar heating. The proposed slab system must be able to be constructed at a reasonable cost. 50 kN/m2 Ultimate design load LOAD AT ULTIMATE LIMIT STATE = 1. Underpinning-08-Approved Final Copy. 1 Standard Deck Slab Design The NMDOT standard deck slab detail and slab design tables are shown below. Main steel is only provided parallel to span One-way slab is designed as singly reinforced rectangular section. The calculations' algorithms adopted in the application meet the criteria of the Polish and Europe Union building construction law, and are based on the Polish PN-B-03264:2002 and. SOIL CONDITIONS The design procedure shown in this report is based on the use of the "effective P. This paper deals with the problem of optimum design of reinforced concrete (twoway ribbed) waffle slabs using genetic algorithms. With subtle textures across its surface, creating a contemporary feel for this timeless tone, the line is available in a 12" x 24" format in five colors with coordinating 3" x 24" trim. BubbleDeck is a true biaxial slab and behaves like a solib slab, both in aelastic and plastic modes. The total load for each tributary area is then divided by the area of each footing in order to determine the load psf imposed on the soil. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. m Thornthwaite Moisture Index (climate) Soil Permeability Vegetation Unrestrained Differential Swell. D = 130 mm d = 105 mm Loads on slab Self weight of slab = 3. 15 Pile supported floors. Calculation of tensile factor is based on the formulation available in SP24 clause 22. Click on a date/time to view the file as it appeared at that time. Get complete property information, maps, street view, schools, walk score and more. Add the design information in BIM models by using ISM. This new edition of a highly practical text gives a detailed presentation of the design of common reinforced concrete structures to limit state theory in accordance with BS 8110. 0m from the fixed end. 1 through 6. 375 kn-m Ultimate Moment Mu = 1. Describe any developments and/or deviations from the structural systems as approved in the Design Development Phase. Office building. Project Sub-Title : First Floor Slab Made by Date Dead load Self weight of hollow pot slab = kN/m2 Superimposed Dead load (Screed, plaster and finishes), = 1. In any flat slab, design shear resistance is usually critical near columns. Design the slab using the data given below; Purpose of building – Residential f ck = 25 Mpa f yk = 460 Mpa Concrete cover = 25 mm Height of block wall = 2. The goal of this reinforced concrete design example is to find the design moment strength of a reinforced concrete one-way slab per ACI Code 318-11. The cross strips can be omitted for small square slabs, but large rectangular slabs may need to be double-crossed. 31 x 10-6m2/sec) = μ/ρ (m/s) where 2μ = dynamic viscosity (Ns/m or kg/ms) ρ = density of the fluid (kg/m3) In engineering terms, the expression for transitional pipe flow may be written: V = -2√ (2gDi) log. Unlike some other slab analysis programs for structural engineer companies, our program calculations follow the ACI 318-83 code's equivalent frame analysis. Often those slabs have steel reinforcement. One is the design truck alone. of cross-beam = i x 2. Detailed understanding of Pyramidal slab. Granting that such is the case, none can discount the fact that slab design remains one of the major items that need to be done nonetheless. D = Slab Thickness – Clear cover (top and bottom) – Diameter of Bar. 6 x 6 - W2. Main Line: 281-572-1712 (Office 2): 832-427-2105 ; [email protected] 40 to calculate the number of 4 way. Appendix 6—Design examples for steel FRC slabs-on-ground using yield line method, p. And for this calculation, the measurement of reinforced concrete works likebeams, slab foundation, columns, and base foundations is really very important. We can craft any Coursework Calculator Slab Design kind of writing assignment for you quickly, professionally, and at an affordable price!. The loads are calculated per unit area (load/m2). The slab and/or wall thickness is increased when shear requirements dictate or the maximum steel percentages are exceeded. we are always open for business. This includes a detailed report of the calculations and additional design features. Beds and backings to receive tiles 6. Proper selection of depth and detailing of reinforcements will safeguard against excessive deflections and cracking of the cantilever slabs. RE: Concrete slab on grade design ksdphilippines (Structural) 3 Jun 08 02:47 There's also a good reference and design guide published by the Cement and Concrete Association of Australia "Industrial Floors and Pavements". The moment and shear stresses are calculated in working stress and an appropriate safety factor against firstcracking (modulus of rupture) is applied to determine the required section modulus and thickness. FULL HAND CALCULATION, ANALYSIS AND DESIGN OF MULTI STORY BUILDING the design of reinforced concrete slabs, beams, columns, footings and Staircase were made by hand calculations according to. So, the Self-weight of each square meter of the slab would be. Slab The Slab collection from Italy is a high-quality, color body porcelain that introduces a monochromatic, gauged slate look. The thickness of a floor slab must be determined early in design because the weight of the slab is an important part of the dead load of the structure. No attempt is made to finish the re-bar design for required lengths or the number of bars to be carried continuously as this is concrete design. 5(a): hmin = L / 28, L = distance from center of support to center of support = beam spacing = 16 ft. RC floor slabs may be supported on a rectangular grid of beams or walls, or directly on columns. 10 Design method from patch loads using design charts. The experiment was followed by a parametric study of total load capacity calculation with nonlinear analysis which is supplemented by calculations based on existing design model code. So even design checks can give you less depth, checking for deflection always. We will focus our attention on tension-controlled sections. 3 of ACI 318 allows the use of shear reinforcement for slabs and footings in the form of bars, as in the vertical legs of stirrups. 12 - Camber Design Nov. Slab design is comparatively easy when compared with the design of other elements. Beginning length of the slab: number of feet diameter (number cubic yard) Concrete Column Calculator soon to come. At the base of footing the allowable soil pressure is 5000psf and base of footing is 5’ below the existing ground surface. The thickness of a floor slab must be determined early in design because the weight of the slab is an important part of the dead load of the structure. So, we can calculate the slab load to be around 6 to 7 kN per square meter. The first is obtaining the shear force value, and the second–finding the control area (failure zone dimensions). With subtle textures across its surface, creating a contemporary feel for this timeless tone, the line is available in a 12" x 24" format in five colors with coordinating 3" x 24" trim. The spreadsheet can be used to complete all the calculations required for a design in accordance with BS EN 1992 or BS 8110. For 1m slab width, • Moment, Shear Force, One-way Continuous slab • For continuous slab, moment and shear force can be obtained from Table 3. We will most likely have extra concrete on our volumetric mobile mixer. Design Manual to BS8110 Designing to BS8110 -Information required If you would like the punching shear specialists at LinkStudPSR to produce an accurate calculation using the LinkStudPSR design programme, please copy and complete the pro-forma at the back of this manual and Fax to 08456 528 528 or forward it to [email protected] Slab design Example 02 Design of simply supported slab (Two way spanning) Span of slab 4. Please read the lauses mentioned in the video while solving the problem. This video explain how to make bar bending of slab reinforcement and also detail calculations of slab design after watch this video you are able to calculate bar bending of slab and design of slab. the houes is g+1. The slab and/or wall thickness is increased when shear requirements dictate or the maximum steel percentages are exceeded. Can't remember the exact name of them. Find the dead load and the live load per square meter of the slab. Concrete Slabs Calculator Input length, width and depth of the area. Slab with arches or (Arch slab) are adopted at a place where there is a need for redirecting wind load and if there is a long curve in direction of slab these slabs are adopted. Since then, the Company has consolidated its position as a market leader, in terms of their presence, applied technologies and quality standards. 2 3 Span with Link Slabs. Slab is at grade rather than floating above grade. The Paving Planner should only be used as a design aid. Set h = hmin for deflection. Prior … Continue reading "Anchor. Just plug in the numbers, make sure you choose meters, and hit calculate. com Internet: www. Slabs are designed for flexure in two orthogonal directions for both hogging and sagging moments. Welcome home to the Cheswicke, our best-selling ranch style home. 3 taken from ACI 318M-14 shall be satisfied. After sometime later, requirements for the flat slab design theory were established. 6 x 6 - W2. CE 403, Fall 2015 Slab Design Example 2 / 5 (ACI 318‐11 Referenced) Slab Thickness, t. Design Project Calculation Sheet Checked by PU Date 08-08-00 Check the adequacy of the continuous composite profiled deck slab with spans of 3. Design of reinforced concrete flat slabs for punching shear. So, the Self-weight of each square meter of the slab would be. A conventional slab for a pole barn. Commonly, concrete slabs are between 4 and 20 inches thick and are used for a purpose of floor and ceiling construction. Imposed Load 2 =3. 5 kN/m (PWD Standard) Floor finish Load =0. 375 kn-m Ultimate Moment Mu = 1. How to measure the Reinforced Concrete Works Before you start any project you need to estimate the genuine construction costs that includes the fees of the contractor. Spread the word. CE 403, Fall 2015 Slab Design Example 4 / 5 (ACI 318‐11 Referenced) Calculations for Column 2 provided below. Topping 100 mm. Appropriate loadings and their calculations (25 marks) 2. 2 TRACK AND WHEEL GAUGES AND FLANGEWAYS 4. 5 ft Unit Soil wt We 120 pcf Top Slab wtWs 150 tt 12 Ws 125. EXAMPLE CALCULATION 4 Equipment. The spreadsheet can be used to complete all the calculations required for a design in accordance with BS EN 1992 or BS 8110. the houes is g+1. Pile Cap Design Calculation Download Core Wall Design Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download Two Way Slab Design Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download One Way Slab Design Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download Sub Frame Analysis Spreadsheets to Eurocode 2 (EN 1992-1: 2004) Download. This service and product knowledge has proven invaluable to our company. Cantilever slab is always one-way. Now each square meter of the slab would have a self-weight of 0. Design of Reinforced Concrete Slabs 123 method of analysis, the panel of slab has a small reserve of strength because the calculated collapse loading is 46. 1 from CRSI provides LRFD analysis of cast-in-place rein-forced concrete slab bridge designs. with Homewyse Lists. 15, M20 concrete is used] t. Actual costs will depend on job size, conditions, and options. You can design a single span (simply supported, fixed or cantilever) or many continuous spans. Formula: P = 9. This new edition of a highly practical text gives a detailed presentation of the design of common reinforced concrete structures to limit state theory in accordance with BS 8110. All load combinations were entered into the model, and the combined load effects were compared to the reduced nominal strengths of the members. An engineer designing an on-grade slab makes the same calculations and follows the same requirements used in the design of traditional post-tensioned slabs on grade, and then applies them to the on-grade mat foundation ensuring the system possesses equal or greater stiffness. Example Problems For Concentrated Loads Example 1: Point Load This problem is designed to demonstrate how to check the ability of a composite slab to carry a 3000 lb point load over an area of 4. But it is best practice to take the analysis results from the STAAD and do the manual design.