Concrete Slab Thickness Calculator
Cooper Concrete, the oldest ready mix concrete supplier in the Dallas metroplex. Stamped concrete has been used the world over on a wide range of projects from theme parks to residential patios to impart realistic surface patterns and textures. Design of Isolated Square and Rectangular Footings (ACI 318-02) Notation: a = equivalent square column size in spread footing design = depth of the effective compression block in a concrete beam A g = gross area, equal to the total area ignoring any reinforcement A req = area required to satisfy allowable stress A s = area of steel reinforcement in. Stop floating when the entire slab in fairly smooth and the float leaves no visible marks. When footings are below the frost line, the concrete slab is better protected from heaving and cracking. To use the Concrete Wall Calculator, simply enter the width, length, and thickness of your pour. Concrete Curb Calculator - Concrete Enterprises LLC. Information on hand mixing concrete. For moment and for determining the distribution steel, put the load in the center of the span. 2 DESIGN DETAILS FOR BRIDGE DECKS 16. What is the age of the concrete? 6. Calculators for structural engineers, construction professionals and steel building specifiers. High strength 65 MPa, 80 MPa, 100 MPa. The underlying concrete acts as a restraint to shrinkage, resulting in cracking of the surface layer. The calculator will automatically estimate the number of cubic yards of concrete that will be required. For a bonus, the weight of the concrete is also returned. What is a Raft Slab. Steps to be followed in the design of slab. Using this method, simple approximate formulas are derived for the calculation of the thermal fire resistance and minimum cover thickness to the steel of reinforced and prestressed concrete slabs, consisting of two layers of concrete, one lightweight and one normal weight. Concrete cover thickness of steel rebar can be determined by calculating of cracking limit state and crack width under the impact of external forces. This concrete calculator will help you in estimating the amount of concrete needed for your project. Design Of Reinforced Concrete Structures ii Two-Way Slabs 1 1. 5 mm Provide 190 mm thickness. Details of the rectangular slab design. The Concrete Calculator allows you to figure concrete when you have the desired thickness, width (or height) and length of a project. This wii require more concrete than estimated and will be a waste. If they don't, then 4" thick is usually standard for a patio slab, how large or small it is doesn't really matter. Slabs, Square Footings, or Walls. Enter the depth, width, and length to calculate the amount of cubic yards needed for your concrete slab. 70, the drying time to reach 90% RH is anywhere from 3 to 9 months,. The pad can be poured to accommodate only the skid frame or subbase tank of the generator set, thus having the enclosure intake and discharge hoods extend beyond the pad on both ends. The service live load is 100 psf and 4000 psi concrete is specified for use with steel with a yield stress equal to 60000 psi. Cubic yard calculator for pole barn floating slab and embedment calculations. A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft. S = Steel reinforcing ratio. Foundation modulus is a measure of how much a substrate deflects under a given load, expressed as inches deflection per inch of thickness or “pci”. The imix XS Calculator is provided to compare the general costs of using standard reinforcement and imix XS for temperature and shrinkage control of concrete footing and slabs. The cost to Install a Cement Slab starts at $8. When dealing in inches: convert inches to feet by dividing by 12. See below for help on concrete. Call for a FREE Quote!. Rectangular Concrete Formula. 1 for details. The Bachelor of Business provides students with especially those in business, management and commerce, an academic supervisor at Kaplan Business School and Youre about to make the most important investment of your life. Plan View of Floor System Assume partitions will not be damaged by deflections. The imix XS Calculator is provided to compare the general costs of using standard reinforcement and imix XS for temperature and shrinkage control of concrete footing and slabs. Time consuming jobs like these cost concreters more, so the rate you pay for a concrete slab for a shed may actually be higher than the rate you might pay for a driveway on a flat surface at the front of your home. A mud slab refers to a minimum thickness, slab of concrete, that normally does not have any reinforcement. They are used for storing vehicles and goods, and provide maneuvering areas and access for delivery vehicles. Slump - Slump is a measure of the consistency of the concrete. Flexural strength is estimated by the modulus of rupture, which is assumed to vary with the square root of the compressive strength. To support heavy loads the thickness of slab near the. Calculation Description: "GRDSLAB" is a spreadsheet program written in MS-Excel for the purpose of analysis of concrete slabs on grade. European Commission Joint Research Centre Institute for the Protection and Security of the Citizen Contact information Address: Joint Research Centre, Via Enrico Fermi 2749, TP 480, 21027 Ispra (VA), Italy. The concrete itself tends to cost between $75 to $110 per square metre. Enter the width, length, and thickness of your pour, click on whether you are measuring the thickness in feet or inches, then click on the Calculate button. If it's the design of the slab, then the thickness of the slab, the subgrade modulus, the load and the spacing of the loads come into play. When a vehicle drives over a concrete slab, the concrete holds up very well against the weight of the vehicle compressing it. sustainable construction • a guide on concrete usage index 17 fig. How does this concrete calculator work? This is a house tool that can help you estimate the cement requirements for your construction project. Least thickness of concrete slab, beam, column, foundation and other structural members is required to fulfill the design requirements with adherence to the standard codes. Slab Calculator. Round off to next even higher figures. the Code indicates that the minimum "thickness of construc-tion" values of Table 11. Control joints should be spaced so that the dimension in either direction does not exceed spacing as indicated below: (Example is based on a standard 2500 or higher PSI 1" mix). concrete footing thickness will be 6 inches or 1-1/2 times the length of the footing projection from the foundation wall, whichever is greater. If you can provide spacing information and slab thickness, I can try to model it and give you an indication of what the concrete stresses would be. be = bm +2(1-x/l)x ; where x is the location of the load x = l/2. Below are the types of concrete slabs. Calculator works for rectangular beams, positive-moment and negative-moment T-beams, and 1-way slabs, as shown in the sections below:. Other materials are sometimes added to alter the properties of the concrete. It covers concrete calculator for column footing, wall footing, floor slab, rectangular column, circular column and stair. Slab Concrete Pour Calculator Slab Pour Calculator Enter values of length, width and depth for each dimension which will result to display cubic yards for individual dimensions and total cubic yards. Design of Doubly Reinforced Beams. 75 is strength reduction factor, f c ’ is compressive strength of concrete, b is one foot width of wall, d is effective depth of stem and is equal to thickness of stem minus 2” cover and half bar size. thickness of concrete slab to weight load? This is a bit off-topic, but I know that several of you have just gotten done with concrete floors and thought perhaps you could answer my question. Based on current practice, ASCC contractors provide a slab thickness that meets ACI 117-90 tolerances for 50% or more of the slab area. Number of Bars Formula = (Length of slab / spacing) + 1. A concrete floor can be termed ‘cold’, i. Slab Thickness, t Area of steel provided, As PCA (note: other documents may provide different minimums) Area of slab Estimated concrete flexural strength (change if necessary) Spread Tensile Strength provided by steel reinforcing, fwwm Post-crack performance as percentage of flexural strength for fiber reinforced concrete W7. Take live load as 4 kN/m2. sustainable construction • a guide on concrete usage index 17 fig. at a spacing of 12m or 15m. 12,13,14 Thickness of metal deck ,. Flat Slab System The flat slab is similar to the flat plate, but has thickened portions around the columns called drop panels, which are used primarily to. If fact, sometimes the slab is six inches deep at the forms, but deeper in the middle of the slab. We regularly ship concrete to Jefferson, Oldham, Shelby, Spencer, Bullitt, Henry, Trimble and Carroll counties in Kentucky and Floyd, Clark, Jefferson and Harrison counties in Indiana. 94 cf concrete - cast-in-place concrete basic wall. 2 kips O T moment 37. From determining how much concrete you need to identifying what product is right for your job, we have the ultimate cheat sheet for creating concrete slabs. I’ve been getting several emails recently asking for general costs of a concrete floor in a pole building. A post-tension slab is a slab of concrete that has been pre-stressed using a specific method to increase the strength of the concrete. With this type of application, both a fine and coarse aggregate are required. Nine cores 80 mm in diameter were drilled from the whole thickness of the floor whose load- bearing layer was 115 mm thick. Concrete material, placing, and finishing account for about 36% of the cost. A complete listing of the pop-up calculators available on this site. Maximum Joint Spacing should be 24 to 36 times the thickness of the slab. European Commission Joint Research Centre Institute for the Protection and Security of the Citizen Contact information Address: Joint Research Centre, Via Enrico Fermi 2749, TP 480, 21027 Ispra (VA), Italy. Design a simply supported one-way reinforced concrete floor slab to span 10 ft and carry a service live load of 175 psf and a service dead load of 25 psf. If a proper procedure for the calculation of a slab thickness is followed, the design period would be cut considerably, in addition to reaching reliable and economical slab thickness. Calculating the Weight of Concrete Slabs – Using Area Method The weights of concrete slabs may be more rapidly calculated by remembering the weight per square foot of various thickness slabs. The minimum thickness can be determined by many factors: • Shear strength of beamless slabs (usually a controlling factor); slab must be thick enough to provide adequate shear strength. The slope of the concrete - minimal - the trouble with planning no slope is that the middle of the pathway may settle causing areas where rain will collect. Drive the truck onto the slab or wheel the mix if more chutes than the truck carries are needed. 2 kips O T moment 37. To use the Concrete Volume Calculator, simply enter the width, length, and thickness of your pour, click on whether you are measuring the thickness in feet or inches, then click on the Calculate button. For a bonus, the weight of the concrete is also returned. Subtract the thickness of your slab. 0 Proudly developed in the United States of America July 2016. Enter the length, width, and thickness of the area and hit the "Calculate" button to calculate the estimated quantity of CONCRETE required for your project. Followings are two code references (ACI and BNBC) for minimum thickness value of concrete footing. Backing the truck over the wire in a straight line won't hurt the wire. Note: The content on this page has been adapted from tech notes entitled “Water for the World” published by USAID. concrete slab on grade thickness analysis For Slab Subjected to Single Wheel Loading from Vehicles with Pneumatic Tires Per PCA "Slab Thickness Design for Industrial Concrete Floors on Grade" - Figure 3, page 5. SLABS Theoverall `i:ickness of mostone-way slabs is established bythe American Concrete In-stitute (ACI; Code provisions for minimum thickness. The variables for a composite deck slab include span length, gage thickness, rib depth, slab thickness, unit weight of concrete and concrete strength. Specifically, a concrete slab on grade may be subjected to concentrated post or wheel loading. After the initial set, keep it wetted down, damp, will help it cure. How to Calculate Pounds per Square Foot Concrete. Least thickness of concrete structural components depends on ACI 318-14, IRC 2009, IS 456 2000, and UBC 1997. Don't believe it. Units Calculator Excel Sheet for Conversion of Measurement. 35 on 260 mm high slab. 44, the allowable joint spacing would increase with increased slab thickness but decrease with increased (stiffer) foundation support conditions. Flat Roofs: Hollow-core Concrete Slabs Paroc Air is a simple and safe solution for making dry flat roofs. The thickness of concrete is an important factor in load-bearing strength, but to conserve resources and avoid over-building, other factors are also taken into consideration. But a slab has two main drawbacks you should consider before you make a final decision. It incorporates stiffening beams made from pre-poured concrete in trenches around the outside of the slab, and has a slab thickness of 100mm. In typical office environments, the concrete floor slab itself is comprised of 4" to 6" thick concrete reinforced with one layer of welded wire fabric at mid depth, unless below the water table, when hydrostatic heads may exert upward pressure, requiring stronger construction. Use the calculator below to help you estimate the amount of concrete needed for the wall you are working on. Concrete is ordered by volume in cubic yards. This steel sheet product is designed to take the pouring and curing loads of concrete and is very strong. While cracks in a slab may not seem like a big deal, the smallest crack represents a large amount of downward pressure that may be crushing pipework beneath the slab. The best way to calculate how much concrete you’re going to need in cubic yards is to do the following: Mark the area that will need concrete and divide it into smaller areas. CabinStartup. Cost For Crawl Space Cost for Concrete Slab Floor Block and floor done professionally www. See below for help on concrete. That is how much concrete it takes to fill the pump and the line to get the proper amount of concrete to the pour area. Below are the types of concrete slabs. Estimate the cost of materials if you know the price per yard. The thinner applications would include. The usual way to do this calculation is to use a 1. online free live maximum floor live load capacity is a great engineering tool to help you calculate floor strength use it now. Square or Rectangle Concrete Slab: Notes: Pre-mix concrete comes in bags that are 60 lbs. The selection and computation of slab thickness including different types of slabs is a major step in the design process. E = the modulus of elasticity for the slab ( typically 4. Click the button to calculate the volume of concrete and man-hours (not including mixing) needed for this job. Because the surface of a concrete slab is exposed to air but the underlying concrete is not, concrete near the surface dries and shrinks at a rate different from that of the underlying concrete. for concrete strength offset strength concerns related to slightly thinner slabs. the concrete cover over the top of the deck , and tt is the thickness of any. Concrete Price Calculator. Thicknesses of DPMs vary, but 1,200 gauge is a common thickness. But a slab has two main drawbacks you should consider before you make a final decision. Specifically, a concrete slab on grade may be subjected to concentrated post or wheel loading. To support heavy loads the thickness of slab near the. Waffle slabs: A two-way slab reinforced by ribs in two-dimensions. This concrete calculator will help you in estimating the amount of concrete needed for your project. Use our concrete calculators to determine how much concrete you need. for a 6" slab with thicker edges, styrofoam beneath the slab, and wire mesh. Calculation of Volume of concrete for Slabs: A slab is in the shape of a rectangle, In order to calculate the volume of concrete required for the slab, find out the surface area of the slab and then multiply it with the depth/thickness of slab as shown in fig. A brick wall of 250 mm thickness including plaster of 1. There is a 7 day cure strength to concrete. If you’re looking for a 2019 breakdown for Cost of Concrete Slabs materials and what installation cost might be, you’ve come to the right place. Four inches is most common for a slab. feet of porch surface, so enter in the slab calculator 4" thickness by 3' width by 3' length. (125 to 200 mm) in thickness. How much does a 20x30 concrete slab cost? A 20x30' concrete slab is a. Assume the thickness of slab (take 4 cm per metre run of the span). 2 cubic metres. It also follows that: • 10” slab weighs 125psf. For the foundation of the plan above. txt) or read online for free. Then, dig out the top layer of ground, and replace it with a layer of gravel. 6 material takeoff for wall name wall material takeoff family and type material area volume concrete - cast-in-place concrete basic wall : foundation • 1’5” concrete 11353 sf 15673. 715m long, and it is supporting a blockwork load at 1. There are three empirical limitations for calculating the slab thickness (h), which are based on experimental research. L = Slab Length,, hr = Thickness of reinforced slab, fs = Yield strength of steel reinforcement. Information about buying concrete, webcams, company history, do it yourself concrete, and the founder's World War II history. Subtract the thickness of your slab. Calculate the volume of the area after determining the shape of the area (see the chart below) by multiplying in the thickness of the concrete. A simple concrete pathway up to about 1m wide used solely for foot traffic: The thickness of the concrete - 75mm (3 inches). 1 Introduction ENCE 454 ©Assakkaf. Biggest Single U. In other words, subtracting this cover dimension from the slab or beam thickness gives the effective depth. If it was a 6" inch thick slab (0. Proper concrete dimensions are crucial to providing a stable footing. 4 cubic yards. 1 kip ft I would like to put the column on a 6. SLABS Theoverall `i:ickness of mostone-way slabs is established bythe American Concrete In-stitute (ACI; Code provisions for minimum thickness. 5 feet), then the formula would be 2 x 76 x 0. This brochure contains case studies of 20 parking structures located throughout the United States. 1 maybe used. This concrete calculator will help you in estimating the amount of concrete needed for your project. Four inches is most common for a slab. * Note that our Concrete Calculator uses the stats of premixed cement density, which is 2,130 kg/cubic meters, and 133 pounds/cubic feet in order to calculate the weight of concrete which is required. The embossments formed into the sides of all composite decks aid in the adhering of your concrete pour, adding strength to your flooring applications. tc = Thickness of concrete cover over the top of the deck tt = Thickness of any additional topping h = Total thickness exclusive of topping bm = 4. Sometimes piering is essential, especially on very sloping land and where flooding is an issue. Design of Isolated Square and Rectangular Footings (ACI 318-02) Notation: a = equivalent square column size in spread footing design = depth of the effective compression block in a concrete beam A g = gross area, equal to the total area ignoring any reinforcement A req = area required to satisfy allowable stress A s = area of steel reinforcement in. Note: Consult a concrete professional for advice on the thickness of your slab as it will depend upon the load that will be placed on the slab. Ready-mixed concrete is sold by volume measured in cubic yards. However, you also have to take into consideration the thickness of the slab, if there are access issues for the workers and the cost of labour too. A one way slab will only have significant bending moments in the short direction. The service live load is 100 psf and 4000 psi concrete is specified for use with steel with a yield stress equal to 60000 psi. Floors - Center/Joint Wall Load Calculate the maximum wall load that the maximum wall load that a concrete slab-on-grade floor can support at a joint or at the center/interior of the slab. A standard residential driveway is commonly 4-6 inches thick concrete with re-enforced steel bars. S = Steel reinforcing ratio. 89 per square foot, but can vary significantly with site conditions and options. - Duration: 14:32. The top (steel) reinforcement is important. You must enter thickness as this applies a plain concrete base price in the calculator. Online Concrete Slab on Grade Analysis Calculator For Slab Subjected to Interior Concentrated Post or Wheel Loading Assuming Slab is Reinforced for Shrinkage and Temperature Only. Flat slabs with drop panel: Flat slab thickness at its column. A preliminary analysis showed that by using a conventional one-way slab system, longer spans can be achieved without increasing the slab thickness and thus, increasing each of the unit’s layout flexibility. Its more than just forms and pouring concrete! The slab has to be at least 3. While the reinforced concrete retaining wall resists the lateral pressure by structural action such as bending and results in thinner section. To support heavy loads the thickness of slab near the. This calculation factors into account water:cement ratio, slab thickness. Calculation Description: "GRDSLAB" is a spreadsheet program written in MS-Excel for the purpose of analysis of concrete slabs on grade. What is a Waffle Slab? Waffle slabs are a reinforced concrete footing and slab system constructed on the ground. Generally, slabs can safely carry their own weight and the gravity loads imposed on them, without much trouble, and reinforcement is mostly nominal and for crack prevent. Fulfilment of the rigidity requirement of slabs 5. 450mm(breadth) x 72. A complete listing of the pop-up calculators available on this site. WEIGHT (KGS) = LENGTH (MM) X WIDTH (MM) X 0. To use the Concrete Slab Calculator, simply enter the width, length, and thickness of your pour. 083 feet, convert the 4 inch thickness of the slab to feet, and calculate the volume of the slab as follows:. pdf), Text File (. Over the years I’ve poured hundreds of concrete floors in pole buildings, most all residential pole barns have concrete floors. Concrete is ordered by volume in cubic yards. 0m from the fixed end. There are three empirical limitations for calculating the slab thickness (h), which are based on experimental research. could potentially reduce the wall thickness required for shear by: o Using Section 11. Slab thickness in inches or milli meter. Foreword This Report is intended to serve as a manual of good practice for the design of prestressed concrete flat slabs. Multiply total lineal mere of edge beam by (Normally) 150x150 2. Slab-Thickness-Calculator / TR 66 TR66 Technical Report 66 - External insitu concrete paving 2007 (inc 2009 amendments). Below are the types of concrete slabs. How does this concrete calculator work? This is a house tool that can help you estimate the cement requirements for your construction project. Left click the Analysis tab. Eight pigtail transportation anchors were embedded per slab. Standards are set for minimum thickness of concrete, according to the use of the structure, with additional thickness applied strategically. Engineering Calculators | Civil Engineering. Our concrete calculator lets you estimate the volume or weight of concrete on any given area. Enter the length, width, and thickness of the area and hit the “Calculate” button to calculate the estimated quantity of CONCRETE required for your project. The calculated temperature profile through the wall gives the temperature in each element which is used with the constitutive relationships. 5 feet), then the formula would be 2 x 76 x 0. Stamped concrete can be patterned to resemble brick, slate, stone, tile, wood and various other textures. Some Recent Problems in Applying ACI 318 Deflection Criteria By “The thickness of slabs without interior 2-way reinforced concrete slab,. Market for Post-Tensioning Tendons Over 40% of all P/T tendons sold in the USA are for residential foundations. Before a post-tension slab is poured, high-strength steel strands or cables, called tendons, are laid in a tight grid. Thus it is also called gravity retaining wall. Concrete Calculator - Help figure the amount of concrete for slabs and footers. Please be as accurate as you can. If the footing extends beyond the structure wall for distance that is greater than the thickness of the footing, the concrete can crack. Conrete Expansion Formula & Calculator limited time free trial Temperature original, T o, ° C Temperature final, T f, ° C Concrete slab length , m Concrete coefficient of expansion , / ° C ANSWER: Concrete slab expansion = m. Concrete Calculator: Determine How Much Concrete You Need. Any thoughts? I'm going down about 3 meters and effectively making a box with a concrete roof/floor. This section provides a calculator to estimate the strength of rectangular section of a reinforced concrete beam (singly or doubly reinforced). 01D) - by Robert G. Calculate self weight of the concrete slabs; 3. 00 per square foot (of slab being raised) The pricing is dependent on the amount of material used to lift the concrete. Specifically, a concrete slab on grade may be subjected to concentrated post or wheel loading. *** Drop panels are defined as extension of slab thickening into span not less than span/6, and extension of thickening below slab not less than slab thickness/4. Section 5 Bridge Decks 5. 0, slab is called two-way slab, as shown in the fig. could potentially reduce the wall thickness required for shear by: o Using Section 11. Please note that this is based on a 1:2:4 ratio m. Trachte Building Systems. If h is the total depth of section, c the clear cover to outer reinforcement, d” and d’ be the diameters of tension bar and shear links. This type of concrete is stronger but less dense, so you can safely pour a large slab onto existing concrete. The difference. How was the concrete cured? 4. jected to critical reviews relative to slabs for heavy loads, have been utilized extensively in the develop- ment of the new criteria for concrete floor slabs on grade. Number of Bars Formula = (Length of slab / spacing) + 1. This section provides a calculator to estimate the strength of rectangular section of a reinforced concrete beam (singly or doubly reinforced). Ready-mixed concrete is sold by volume measured in cubic yards. Now for any concrete you want to calculate, first find out the volume. "Cover" for slab and beam reinforcement is here defined as the distance from the outer face of the concrete to the centerline of the reinforcing bar or bars. Good concrete slabs in garages will hold up to all of the weight they need to bear, through hot and cold weather, and for many long years with little if any evidence of cracks. * Measured at premixed cement density of 2,130kg/cubic meters, 133 pounds per cubic foot to obtain the weight needed. Calculate how many cubic yards of concrete needed to pour a slab. Enter the length, width, and thickness of the area and hit the "Calculate" button to calculate the estimated quantity of CONCRETE required for your project. While they are technically only 3 1/2″ wide, still round up to 4″ in the thickness field. Below is a calculator to help you get an idea of the amount of concrete you will need for your project. Calculator Use. Though GPR can never be exact with the thickness, GPR data can provide an accurate estimate of depth,or thickness. MODULE 2a SHORING BASICS SM 2A 3 CONSIDERATIONS FOR DESIGN AND SELECTION continued SELECTION CONSIDERATIONS Condition of structure to be supported Is the floor constructed with concrete beams, solid concrete slab, broken slab, etc. Concrete Calculator. In order to do an overlay that will truly last, you'll need to abrade the surface of the existing slab to give it teeth and then coat it with a bonding agent, before you can add the new layer. How does this concrete calculator work? This is a house tool that can help you estimate the cement requirements for your construction project. The Slab Engineered For The 21 st Century Lightweight. 5 schedules generated from models fig. In addition to the analytical approaches noted by others, you should consider an elastic layer analysis of the slab, checking the lateral tension at the bottom of the slab (you can do similar with a von Mises FEA stress analysis of a plate section, using concrete properties for the plate. Stoney Creek Ready Mix serves the Hamilton/Burlington region. Compressive strength in pounds per square inch or kilo Pascals 2. Control joints should be spaced so that the dimension in either direction does not exceed spacing as indicated below: (Example is based on a standard 2500 or higher PSI 1" mix). Its scope includes proposing the inclusion of two new equations: to compute effective moment of inertia by Bischoff (2005) and Bischoff and Scanlon (2007) and to calculate minimum thickness required for a two-way slab by Scanlon and Choi (1999) respectively. Backing the truck over the wire in a straight line won't hurt the wire. monolithic slab and all wood sill plates shall be anchored to the foundation with anchor bolts spaced a maximum of 6 feet (1829 mm) on center. A thin, brittle slab will crack under the weight of the shed and what you put in it. The service live load is 100 psf and 4000 psi concrete is specified for use with steel with a yield stress equal to 60000 psi. Thus the volume of concrete in the slab is 200 / 27 = 7. Concrete slabs are also very commonly used for patios and driveways since they prove a durable outdoor surface. If you check your grade and one spot is 3", some spots are 2. Concrete floor slabs on grade are subjected to a variety of loads and loading conditions. Different Types of concrete slabs in construction:-There are 16 different types of Slabs in Construction. 1 from ACI 216, repro-duced here, provides the minimum equiv-alent thickness required of a concrete wall based on aggregate type to achieve a fire resistance rating of one hour to four hours. Use this calculator to estimate how much concrete in volume (cubic ft, cubic yards, or cubic meters), weight or number of bags you would need for your walls, columns, steps, slabs, footings, etc. The design procedure includes determining slab thickness based on moving live loads and then checking adequacy of slab thickness for stationary live load. Our concrete calculator tells bags of concrete needed ordering a ready-mix truck color. 45 cubic feet, or 80 pounds/0. Download images here if not visible. Re-i n f o r cing steel is re q u i r ed and its lo-cation is critical to slab perf o r - m a n c e. Under Slab Vapor Retarders or Waterproofing. 50 Modulus of Rupture (3-point bending, 14-day average) MOR 750 psi MOR FRC Residual Strength Ratio 20%. Rebar calculator helps to find out how many rebars you need to create a reinforcement in a concrete slab and how much it will cost you. Square or Rectangle Concrete Slab. The only way to specifically calculate the load capacity of concrete is to have a licensed structural engineer process the formulas and consult a myriad of tables that all apply. Left click the Analysis tab. CE 433, Fall 2006 Slab Design Example 1 / 6 Design a one-way slab for an exterior bay of a multi-story office building using the information specified below. For a thickness of 200 mm, you need to multiple 16 by 0. A concrete slab is a common base used in many parts of the world for structures or a solid floor. 14 for 200mm concrete blocks although these values are well within the limits of accuracy of this calculator and also of any other slab floor and retaining wall calculations such as NZS4214. Section design for moment 6. In the 1950s, flat slabs without capitals started to become prevalent. Drive the truck onto the slab or wheel the mix if more chutes than the truck carries are needed. Welcome to Tony Brown Aggregates Limited Based in Barrow Covering Cumbria. 00000785 X THICKNESS example – The weight of MS Sheet of 1mm thickness and size 1250 MM X 2500 MM shall be 2500MM X 1250 MM X 0. Thicknesses of DPMs vary, but 1,200 gauge is a common thickness. Below are the types of concrete slabs. 14 for 200mm concrete blocks although these values are well within the limits of accuracy of this calculator and also of any other slab floor and retaining wall calculations such as NZS4214. Ask what your supplier recommends for fill under slabs. Thickness Estimation:. Composite Floor Deck Slabs - mmosley. SLAB THICKNESS DESIGN FOR FLOORS The required thickness of a concrete floor slab on ground will depend on: 1. For example, if you say your slab is six inches deep, then that is true. With this type of application, both a fine and coarse aggregate are required. Planks and slabs should not be used in heavy vehicular applications. Use fc 3000 psi and fy 60,000 psi. All stone and gravel in the mix should have been worked below the surface.