Concrete Slab Thickness Calculator

A traditional concrete foundation consists of three parts: footings, foundation walls, and a slab. 2 bags of 60-lb concrete. 4-Design implications 7. The spacing of the reinforcement (c/c). 08 cubic yards for one concrete tube. Simply add the measurements for your concrete order to the relevant shapes above (you only have to fill in the shape/s you want to use) You can build up a concrete calculation for complicated areas by adding additional shapes of each type. In concrete calculation, first measure volume in feet then multiply with 1. 42D – 2(1d) D = Slab thickness – 2 side clear cover – dia of bar = 150 – 50 -10 = 90 mm. slab edges by less than four times the slab thickness (column 1 in Fig. Thickness of RCC walls = 15 cm. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. The concrete slab thickness was 250 mm with a width of 800 mm. Concrete slabs are usually not perfect cubes, so additional steps are needed. Formwork area: 38. Tips for Ordering Concrete. You should not listen to the advice of loved ones and especially neighbors that they are so filling the foundation and that the house is normally standing. 20 Thickness (mm) 80 100 110 110 120 120 120 125 125 0. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure. 3-Typical reinforcement conditions 7. The tubing inches on center should be determined by a calculated heat loss. D = Design slab thickness A0 = Regression Constant A1 = Regression Constant W18R = Design Traffic=14. Distribution steel should be provided at the transverse direction. Slab thickness is usually controlled by deflection. That would require calculating the failure point of a two inch slab of concrete, in bending, involving the psi strength of the concrete, and the aggregate size. • Placed over a 2” – 4” base of compacted stone/stonedust • Medium broom finish for slabs over 25’ x 25’ • Slightly heavier medium-broom finish for smaller slabs to minimize tile migration • Sloped 1” for every 10’. The three concrete components: footing, foundation wall and slab, are usually done in three distinct steps. Please enter values in the red section and click the calculate button ! Quantity calculations are for both sides of wall. , will be at least 200mm thick and should be specifically designed as they will probably require a sub-base of at least 100mm thickness, and steel reinforcing mesh or a fibre-reinforced concrete. d < provided slab thickness ∴ A slab is safe against a moment. Standard concrete floor slab thickness in residential construction is 4 inches. 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. The depth of the slab is measured from the top of the slab to the top of the metal deck. 54(to convert into dry volume), divide by 27 to calculate in yards Thickness of slab. The extent to which concrete is finished directly affects how fast moisture can move through a slab’s surface. 60 cubic feet) or 2,130kg/cubic meters to obtain the weight in the result. 20 of example 8. 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. Building Supplies; Input length, width and depth of the area. A one-way slab is designed by considering a one-foot-wide strip of slab. Choose a coarse aggregate concrete when pouring thicker slabs. The thickness of a slab will depend on the use and span of the slab. The depth of the pad is calculated as 125% of the unit wet weight (fuel included). concrete slab will act as a restraint to included in the design process are slab thickness, equation is used for calculation of the steel areas,. This will is the volume of cubic yards of concrete needed for the concrete slab. 34 psi which is nothing! As for the hot tub, if you use a size of 8'x8' and the weight of 4500 pounds it only adds another 0. Concrete slab calculator. Slab-Thickness-Calculator / TR 66 TR66 Technical Report 66 - External insitu concrete paving 2007 (inc 2009 amendments). This type of concrete is stronger but less dense, so you can safely pour a large slab onto existing concrete. Using the CFS Slab Calculator, you can quickly and easily generate designs and specifications for uniform loads. The slab portion of a raft footing and slab is normally 100mm (4 inches) thick. European Commission 3. Slab insulation. Enter the depth, width and length of your concrete slab to calculate the number of cubic yards and concrete bags needed to complete your project. Concrete Slabs Calculator. • Placed over a 2” – 4” base of compacted stone/stonedust • Medium broom finish for slabs over 25’ x 25’ • Slightly heavier medium-broom finish for smaller slabs to minimize tile migration • Sloped 1” for every 10’. Considering that the average concrete block size is 16 inches wide and 8 inches high, you just need to multiply the width by the height, and then divide the result by 144. EN 1992-1-1 “Concrete structures” (1) Content: 1. NOTE: This Calculator should be used as an estimating tool ONLY. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. Slab-Thickness-Calculator / TR 66 TR66 Technical Report 66 - External insitu concrete paving 2007 (inc 2009 amendments). 6-Other considerations Chapter 8-Design of post-tensioned slabs on grade, pg. Concrete Calculator. (2) The slab shall be not less than 125 mm thick. 00 Target U-Value Thickness (mm) 30 45 50 55 60 60 60 65 65 0. University of Michigan, TCAUP Structures II Slide */21 Given: DLslab = 62. The thickness of the concrete monolithic construction (plate Foundation) depends on the number of floors and material used in the construction. In concrete calculation, first measure volume in feet then multiply with 1. ) Sealant Depth or Thickness (in. A good rule of thumb is to make your cut ¼ the thickness of your concrete. Formwork area: 38. 7(100) s= _ 0. Do not exclude formwork intersected by beam ends. Purchasing slightly more concrete than the estimated result can reduce the probability of having insufficient concrete. 1 DESIGN REQUIREMENT OF CONCRETE (I. The Main bars will be 12 mm in diameter with 100 mm c/c spacing. REINFORCED BEAMS OR ONE-WAY SLABS Member Simply supported One end continuous Both ends continuous Cantilever Solid one-way slabs L/20 L/24 L/28 L/10 Beams or ribbed one-way slabs L/16 L/18. 34 psi which is nothing! As for the hot tub, if you use a size of 8'x8' and the weight of 4500 pounds it only adds another 0. A concrete slab's ideal thickness will depend on how it is being utilized. Concrete slabs intended for exceptional loads, such as commercial yards, lorry parks etc. Only available in Gauteng. "Slab Thickness Design for Industrial Concrete Floors on Grade" (IS195. Most designers calculate the required thickness of a floor based on the flexural strength of the concrete. 1) that a slab system may be designed by any procedure satisfying. We’ve created 4 short tutorials for learning how to use this tool, you can watch them here. Yields are approximate and will vary based upon placement methods, equipment utilized and do not include allowance for uneven subgrade, waste, etc. the concrete flexural stress under load and pavement distress caused by the erosion of the sub-base and/or subgrade at the joints. A hole depth of 9” is drilled into the concrete, and the wedge anchor is inserted into the hole and pounded in. developed for thermal analysis of concrete slabs. The concrete slab calculator above forms mold construction concrete calculations are estimated and may vary depending on your cement water, and aggregate or reinforcements added per job site. 3-14 Canadian reinforced concrete standards – ECCS 203-2001 Egyptian reinforced concrete standard – Eurocode 2-2004 European reinforced concrete standard. Weight of concrete in pounds per cubic foot. Table 5- Minimum Shrinkage and Temperature Reinforcement for floor slabs with liquid storage tanks placed on top of slab. Detailing of members and particular rules 10. Talk with our representative about what you are pouring and how long you anticipate the pour to take. 45 cubic feet of concrete when mixed with 2. Slip joints. So if you have a rectangular slab to remove you multiply the length times the width, both in feet, by the thickness in inches and then by 12. Secondary steel reinforcing over slab area. 85 per square foot on average. A 6-inch-deep slab is slightly more expensive, costing $7. dimensions at mid-span, “Z”, and the depth from top of slab to bottom of beam at center of bearing, “Y”, for each I-Beam in the span. HomeAdvisor's Concrete Slab Cost Calculator gives average installed concrete costs per square foot or size (30x30, 24x24, 40x60) for garage floors, sheds, backyard slabs and more. A modulus of sub-grade reaction of 400 to 500 psi/inch can be used in calculating the required thickness of floors placed directly on lean concrete and cement treated or roller compacted sub-bases. The thickness of the concrete monolithic construction (plate Foundation) depends on the number of floors and material used in the construction. A concrete slab, poured inside the foundation walls forms the floor or subfloor of the building and can support non-structural interior partitions. Packard (Portland Cement Association, 1976) g. cladding 140 mm insulated wall framing timber. Ready-mixed concrete is sold by volume measured in cubic yards. Try it right now for free!. 1 and IBC Section 722, and determines fire resistance ratings based on the equivalent thickness of concrete masonry units and the aggregate types used to manufacture the units. It covers concrete calculator for column footing, wall footing, floor slab, rectangular column, circular column and stair. 1 Steel-fibre-reinforced concrete 56 9. "Design of Slabs-on-Ground" - ACI 360R-06 - by American Concrete. The right shed slab thickness. A patio or similar area taking just foot traffic, chairs and tables: The thickness of the concrete - 100mm (4 inches). dipping depth of vibrators is less than 1m; Concrete will be poured from above into formwork. The minimum required cover thickness for slab reinforcement usually ranges between 20 and 30 mm depending on the environmental conditions present throughout the building’s service life. The overall thickness is ht and the depth of concrete above main flat surface hc. Firstly combine all the dry materials until the colour is uniform. Concrete slabs intended for exceptional loads, such as commercial yards, lorry parks etc. A modulus of sub-grade reaction of 400 to 500 psi/inch can be used in calculating the required thickness of floors placed directly on lean concrete and cement treated or roller compacted sub-bases. 0 0 250 500 750 1000 1250. SAFE will display top/bottom of slab stress contours as well as demand capacity ratio contours that users can mouse over for instantaneous values. 2 for concrete thickness, t). 5—Concrete properties 2. 5 Joints Concrete pavement jointing details are shown in SDD 13C18. where E is the modulus of elasticity of cement concrete in kg/cm (3. bar truss reinforcement when the steel bar truss–reinforced half slab with thin concrete thickness is used in the load calculation of the building in use. 60 cubic feet) or 2,130kg/cubic meters to obtain the weight in the result. thickness or height. Concrete weighs approximately 150 lbs/cu ft. Laterally-restrained reinforced concrete slabs can mobilise compressive membrane action and subsequent tensile membrane action under extreme loading c…. It does not matter whether the slab is a wall or a floor, the airborne sound transmission is the same. Thickness (in. length: width: thickness or height quantity Hole, Column, or Round Footings. Diagram representation for section/side view - RCC water tank is circular. The thickness of portland cement concrete varied up to a maximum of approximately 0. Intensity of pressure from concrete under slab Step 3: Thickness of slab base: Thickness of slab Provide 16 mm thick slab base. The calculation method is fully described in ACI/TMS 216. The weight of concrete is calculated based on the length, width and thickness of the slab. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure. (Ans) (c) 10 mm dia. Empty the concrete from. Puncture studies of 6-, 8-, 10-, and 20-mil vapor retarder materials have shown that 10 mils is the minimum thickness that should be considered, and thicker material may be necessary over. Concrete Covers of the Footing. Concrete Slabs Calculator. Is it reinforced, and if so, with what reinforcing?. not present the whole range of NDT methods used for the NDT of concrete. Concrete Slab Calculator. bar truss reinforcement when the steel bar truss–reinforced half slab with thin concrete thickness is used in the load calculation of the building in use. It is emphasized that the design parameters, such as size, thickness, and reinforcement of the slab, strictly followed the “Code for Design of Concrete Structures (GB50010-2010/2015) ” and the “Technical Specification for Application of Lattice Girder Slab (T/CECS 715–2020) ”. A concrete slab is commonly used as a base element in modern buildings. 01D) - by Robert G. • Slab thickness influences the potential for curling by the fact that thicker slabs are heavier to lift than thinner slabs. Should also think about drainage. A gallon of water weighs 8. Steel Truss Design Calculator: New! Selects double angle bars for Pratt or Warren steel trusses. Cut length = length – (2 x concrete cover). Standard rate 15 and 30 centimetres. If you are unsure on how to calculate just click on the 3 boxes and enter your length, width and height. A minimum thickness for a non-load bearing slab would be 75mm. The design method is based on a iterative system which makes the design process tedious if the initial base thickness chosen in the calculations is not close to the actual required thickness. The calculation of the thickness of the foundation slab under the house should be made based on data on the freezing of soil on the site. First, only 3/4-in. 7/8″ nodules protect piping and secure in place. (Ans) (c) 10 mm dia. Estimate the labor price to pour concrete vs. that equals 640 sq. Reinforced concrete slabs, at least those designed to span in one direction, are no different conceptually from any other beams, with the following three caveats. pdf Go to file. of 100 to 150 mm at the free end. 22 Thickness (mm) 50 65 70 75 80 80 90 90 90 0. Equivalent load factor,F, (from Fig. Formwork area: 38. Explanation: I recommend 6" 3500PSI-4500PSI concrete slabs to all of my clients wanting to install a new driveway. slab edges by less than four times the slab thickness (column 1 in Fig. , edge beam dimensions = 14 in. (This thickness is in addition to a 2-3 inch base of gravel, sand, limestone or another aggregate. A Reinforced Concrete Slab is the one of the most important component in a building. The program supports the American ACI-318-02 code, the Canadian CSA-A23. Let, Assume the slab has a thickness of 125 mm. Slab thickness and reinforcing steel areas for secondary containment floors with tank loading only. 2) for single wheel axle load. If ¼ of your slab’s thickness, doesn’t reach 1” make sure you still cut at least a 1” depth. Cobute manufactures R. A brick wall of 250 mm thickness including plaster of 1. 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. Multiply the width, length and depth of your area. Usually a trench from 36" to 60" will hit the chalk. The assumption in …. Outer Diameter (d1). • The topping concrete and reinforcement provide a simple means of tying the floor and. HomeAdvisor's Concrete Slab Cost Calculator gives average installed concrete costs per square foot or size (30x30, 24x24, 40x60) for garage floors, sheds, backyard slabs and more. '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) h. 0 NOTATION Compression face to point on surface of concrete where crack width is calculated Centre-to-centre distance between bars or groups of bars Point on surface of concrete to nearest face of a bar Gross area of concrete in a section Area of steel in tension Area of steel in compression. ) Gap Size (in. 00 Target U-Value Thickness (mm) 30 45 50 55 60 60 60 65 65 0. The target U value for a concrete ground floor slab is 0. As a rule of thumb, always round up to the nearest quarter yard to compensate for differentials in depth, measurements, and/or "waste/spillage. Tips for Ordering Concrete. These applications will - due to browser restrictions - send. Estimate the labor price to pour concrete vs. Depending on the use of the building, the slab can then be finished ready for use, or receive a screed suitable for a floor finish. The strip footings vary in depth depending on the soil conditions on the site. Hook’s length (If needed). Slabs for Colder Climates, Part 1: The How and Why of Frost-Protected Shallow Foundations As energy savings and the conservation of resources increasingly drive decision-making for homebuilders, frost-protected shallow footings offer a good method for constructing slab-on-grade foundations. where is the modulus of elasticity of concrete in kg/cm (3 10), is the thermal coefficient of concrete per C (1 10) is the temperature difference between the top and bottom of the slab, and are the coefficient based on in the desired direction and right angle to the desired direction, is the Poisson's ration (0. If the insulation is going below the slab, the damp proof membrane (DPM) is laid next, followed by the insulation, a polythene separating layer, and the concrete slab. Per PCA "Slab Thickness Design for Industrial Concrete Floors on Grade" - Figure 3, page 5 Job Name: Sunset Farms, Inc. Cut length = length – (2 x concrete cover). Assuming a 150mm thick reinforced floor slab, this will cost kes 4000 including reinforcement. Durability. 1) Increasing the thickness of slab. If you can determine the area of your concrete project (length x width for rectangular projects) and know the thickness of the slab, you can use the information in the Concrete Volume Calculator below to determine how much concrete you need. The thickness of a slab will depend on the use and span of the slab. 1 Steel-fibre-reinforced concrete 56 9. Renders should be mixed on a hard flat surface (concrete slab) or a board, in a cement mixer or wheelbarrow. , will be at least 200mm thick and should be specifically designed as they will probably require a sub-base of at least 100mm thickness, and steel reinforcing mesh or a fibre-reinforced concrete. Concrete Slab and Metal Deck The concrete slab cantilever can be designed according to ACI 318 and there exist design tables in AISC Steel Design Guide 22 for flexural strength and slab geometries. REINFORCED BEAMS OR ONE-WAY SLABS Member Simply supported One end continuous Both ends continuous Cantilever Solid one-way slabs L/20 L/24 L/28 L/10 Beams or ribbed one-way slabs L/16 L/18. 4 Deck Slab 6 inches 5 inches Adjacent Concrete Slab Units or Box Beams Table 5-1 Deck Thickness Requirements. The depth of the pad is calculated as 125% of the unit wet weight (fuel included). The concrete calculator should help you get started on the planning phase of your project. If oxides are to be added, then you must follow the manufacturers’ guidelines. In two-way construction, load transfer is by bending in two directions. The need for any expansion joints - every 3 metres (10ft). (636)942-4400 Imperial Plant | (573)262-4400 Bonne Terre Plant [email protected] 6-Other considerations Chapter 8-Design of post-tensioned slabs on grade, pg. Summary: A concrete slab foundation is a single layer of concrete several inches thick. I would typically use a plate 3/8" min. Concrete floor slabs on grade are subjected to a variety of loads and loading conditions. Concrete is a mixture of cement, aggregate, sand and water. Because concrete walls are defined in square feet of area and thickness, measure the number of square feet and multiply it by the wall's thickness. We will gladly help guide you through your generator projects throughout Wisconsin and Upper Michigan. Concrete Weight per Cubic Foot • A solid slab of concrete weighs 150 pounds per cubic foot. The following calculations illustrate how the slab thickness is derived for the bridge. These will support the concrete patio slab and will need to be a quarter of the depth of your slab. We find that 4 inches of 3000 psi concrete is adequate for most applications. 35 ksi For this example the floor capacity is found for two different floor systems: Find capacity of steel section independent from slab Find capacity of steel and slab as a composite Non-composite vs. 54 is Multiplication factor to arrive at Dry Concrete qty from Wet concrete qty. 4 square m, equals lateral area At formwork board thickness 25 mm lumber volume: 0. (all yields are approximate and do not allow for uneven substrate, waste, etc. “X” = Haunch CL Brg + t s “Y” = “X” + Beam Depth “Z” = Haunch CL Span + t s + CSC Where, t s = slab thickness Rev: November 2010 4 of 14. Secondary steel reinforcing over slab area. has been used to calculate wheel load stress in concrete pavements. The mesh reinforcement in the slab is placed in the top with 1" covers. 8—Steel reinforcement in parking lot pavements. See full list on remodelingexpense. precast slabs in thicknesses varying from 150 to 350 mm, in increments of 25 mm for intermediate thickness. Inputs are class mix and geometrical. 46 , approx = 36. The minimum subbase thickness shall be 6 inches. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Concrete Foundation Cost Calculator. 1 DESIGN REQUIREMENT OF CONCRETE (I. The American Concrete Institute’s Guide for Concrete Floor and Slab Construction recommends that the thickness of the vapor retarder be at least 10 mils. See full list on theconstructor. Table 5- Minimum Shrinkage and Temperature Reinforcement for floor slabs with liquid storage tanks placed on top of slab. 1-Notation 8. Remove calculation limits and start customizing your calculator! Upgrade Now!. Talk with our representative about what you are pouring and how long you anticipate the pour to take. 3-04 code, the Egyptian design code ECCS 203-2001. Bamboo bracing should be done at around 4′ ht from floor level. thickness or height. 5(‘a) is one typical wavelength of profiled sheeting. Note:;User MUST determine slab thickness from Figure 7b, and input the result in cell Slab Thickness, t. It is emphasized that the design parameters, such as size, thickness, and reinforcement of the slab, strictly followed the “Code for Design of Concrete Structures (GB50010-2010/2015) ” and the “Technical Specification for Application of Lattice Girder Slab (T/CECS 715–2020) ”. Accuracy of ±2% is achieved when the p-wave velocity is calibrated on-site against a slab with known thickness. Critical load positions. Enter Width and Length in feet, and thickness in inches. It accounts for different aggregate types, slab thicknesses, and fire exposures. DD=32 mm DD=38 mm g (mm) Number of Trucks per days 2. 2 Synthetic-fibre-reinforced concrete 56 9. "Design of Slabs-on-Ground" - ACI 360R-06 - by American Concrete Institute "Slab Thickness Design for Industrial Concrete Floors on Grade" (IS195. Slab Construction (1) Concrete shall be cast against form work in accordance with CSA A23. From the above fig Length = 6m, Breadth = 5m and thickness/depth of the slab = 0. The concrete slab is often placed on a layer of sand for drainage or to act as a cushion. Contact Us for further assistance. Slab thickness is usually controlled by deflection. , during CC’s warehouse floor study examined a slab finished by ride-on trowels that resulted in a 1⁄8 inch-thick densified layer. Please log in or register. The thickness of the plain concrete slab is determined by the properties of the concrete used in the slab. Exclude formwork intersected by 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. Forklifts to be used in the building impart 8,000 pounds of force at the wheel, which has a 6-inch by 10-inch tire footprint on the slab. The concrete calculator should help you get started on the planning phase of your project. The thermal resistance is proportional to the thickness of a layer of the construction and inversely proportional to its conductivity. The result is. Thickness (in. Steel-reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving (see below). Concrete - Calculate Cubic Volume - Calculating required concrete volume. 0 0 / 16 = 0 One-End Continuous 4. A 120-mm-thick slab with a minimum rib thickness of 125 mm for continuous ribs is required to achieve a 2-hour fire rating. ) will be about $3,200 – 3,520. Figure B-10: Alternative Floor Slab Detail. ranges from 4 inches (which is often recommended for driveways) to 6 inches. In two-way construction, load transfer is by bending in two directions. 19 or it may span between supporting beams as in figure 8. Two-Way Concrete Floor Slab with Beams Design and Detailing Design the slab system shown in Figure 1 for an intermediate floor where the story height = 12 ft, column cross-sectional dimensions = 18 in. '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) h. Slab Construction (1) Concrete shall be cast against form work in accordance with CSA A23. Questions? Call toll-free (866) 404-1000. 3-04 code, the Egyptian design code ECCS 203-2001. The program supports the American ACI-318-02 code, the Canadian CSA-A23. Total wall thickness. • Precast slabs are less thickness and thus reduced weight. Bamboo bracing should be done at around 4′ ht from floor level. The thickness of such slabs is varied from max. For concrete driveways, slabs and sidewalks, a pour of 4 inches in thickness is typical. Thickness of wall stem twall = 350 mm Length of toe ltoe = 3000 mm Length of heel lheel = 0 mm Overall length of base lbase = ltoe + lheel + twall = 3350 mm Thickness of base tbase = 350 mm Depth. Whether you’re building a residential development or you just need it for some DIY, we can provide you with a quick and effective concrete calculation service. Length (Feet). Thickness measurements are obtained when the test head is applied to the concrete surface and triggered. To control patio cracks you need to set joints with a 1" deep jointer with a straight guide board to make control joints (above). Concrete Slab Calculator. "Design of Slabs-on-Ground" - ACI 360R-06 - by American Concrete. The considered thicknesses are 275 mm, 300 mm, 330 mm and 375 mm and the concrete grade is C25/30. 500 kg/m 2 is typical for office, storage space and similar. Suitable for: driveways, sidewalks, patios or any flat surfaces of concrete. Concrete mix weaker than M20 is not used. 2 guide to concrete floor and slab construction (aci 302. Calculate the right amount of concrete. The GFRC Construction Calculator makes it easy to estimate your material cost and weight of your GFRC (Glass Fiber Reinforced Concrete) projects. Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Monolithic Slab 8½ inches 8 inches Solid Stainless Steel or Stainless Steel Clad Reinforcement Two Course Deck 10 or 9 inches 7½ inches See Section 5. , will be at least 200mm thick and should be specifically designed as they will probably require a sub-base of at least 100mm thickness, and steel reinforcing mesh or a fibre-reinforced concrete. Conventional concrete slabs are square in shape and have a length of 4m. 7—Jointing 2. If the area is complex or multiple pours are needed, break the project into smaller pieces and calculate the concrete needed for each individually. Concrete Wall & Footing Use this calculator to determine the cubic yards in a foundation wall and footing. The design and construction of concrete slabs for 2. Concrete Strength, f 'c = 4000 psi Conc. edges by walls, steel beams, or monolithic concrete beams having a total depth not less than about 3 times the slab thickness. Photograph 2: Perimeter Slab Edge Insulation and Perimeter Slab Insulation—Two inches of rigid insulation is about the maximum practical thickness possible. This method is generally used where other effective or more appropriate methods are not available. Slab insulation. elements installed before the concrete slab is cast = 0. The right shed slab thickness. Contact Us for further assistance. The American Concrete Institute’s Guide for Concrete Floor and Slab Construction recommends that the thickness of the vapor retarder be at least 10 mils. Concrete Calculator for a Rectangular Slab. You’ll need to consider the soil or sub-grade conditions in the location you’re laying the concrete. "Design of Slabs-on-Ground" - ACI 360R-06 - by American Concrete. The following calculations illustrate how the slab thickness is derived for the bridge. However, the price can go up to $9-10 per square foot depending on numerous factors and enhancement costs. Circular Slab or Tube. The main reinforcement is placed in the transverse direction and is designed to carry both positive and negative moment in the 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. The calculation of the thickness of the foundation slab under the house should be made based on data on the freezing of soil on the site. Kneel on a board to reach the middle of a wide slab. In concrete calculation, first measure volume in feet then multiply with 1. The stair slab may span into landings which span at right angles to the stairs as in figure 8. NOTE: This Calculator should be used as an estimating tool ONLY. Measure the length, width, and height of the slab, footing, or column. It is emphasized that the design parameters, such as size, thickness, and reinforcement of the slab, strictly followed the “Code for Design of Concrete Structures (GB50010-2010/2015) ” and the “Technical Specification for Application of Lattice Girder Slab (T/CECS 715–2020) ”. buy precast cement pads. The weight of concrete is calculated based on the length, width and thickness of the slab. , and the maximum thickness is 12 in. A rib thickness of greater than 125 mm is usually required to accommodate tensile and shear reinforcement. Slab-Thickness-Calculator / TR 66 TR66 Technical Report 66 - External insitu concrete paving 2007 (inc 2009 amendments). Concrete slabs are usually not perfect cubes, so additional steps are needed. In most cases, the standard thickness of a residential concrete slab is about 4 inches. Ready-mixed concrete is sold by volume measured in cubic yards. It is emphasized that the design parameters, such as size, thickness, and reinforcement of the slab, strictly followed the “Code for Design of Concrete Structures (GB50010-2010/2015) ” and the “Technical Specification for Application of Lattice Girder Slab (T/CECS 715–2020) ”. 54(to convert into dry volume), divide by 27 to calculate in yards Thickness of slab. For all your concrete needs. 4 square m, equals lateral area At formwork board thickness 25 mm lumber volume: 0. A modulus of sub-grade reaction of 400 to 500 psi/inch can be used in calculating the required thickness of floors placed directly on lean concrete and cement treated or roller compacted sub-bases. To complete this project you will need the following quantity of. Floors - Fiber Reinforcement Calculate the minimum thickness of a fiber reinforced slab-on-grade floor to support traffic loads. the concrete flexural stress under load and pavement distress caused by the erosion of the sub-base and/or subgrade at the joints. 7—Jointing 2. Calculate the super-imposed loads (dead weight of storage tank and liquid in the same) on the concrete slabs; 2. The maximum size of reinforcement bar that can be used is (a) 6 mm dia. This is done to strengthen this part of the slab. You should not listen to the advice of loved ones and especially neighbors that they are so filling the foundation and that the house is normally standing. The calculator will indicate the number of 60 lb bags you will need to build a 4 inch or 6 inch slab. Enter the width (feet): Enter the length (feet): Enter the thickness (inches): Calculate. In order to prevent excessive deflections and avoid calculation of two way slab deflection which is a complicated procedure, ACI 318-11 restricts the minimum thickness of two way slab by applying. 60 cubic feet) or 2,130kg/cubic meters to obtain the weight in the result. The volume of a rectangular cross-sectional member can be calculated as length x width x height (or depth or thickness). 0 developed by Up2Specs Engineering. Long span length = 5320 mm. A need was therefore identified for a guidebook on the NDT of concrete. How does this concrete calculator work? This is a house tool that can help you estimate the cement requirements for your construction project. Enter chart with slab. Wall Thickness. Measure the length, width, and height of the slab, footing, or column. Thickness inches. The CONCRETE CALCULATOR™ is a simple and powerful tool which allows to analyze and design reinforced concrete beams, slabs and columns cross sections. This web applet, based on the equation derived by Harold Malcolm Westergaard, allows you to quickly determine the Radius of Relative Stiffness (l) based on the concrete’s modulus of elasticity and Poisson’s ratio, the slab thickness, and the k-Value of the subgrade/subbase system. Calculate concrete slabs, concrete footings, concrete wall, concrete columns, concrete curb and gutter, concrete stairs. 5 for precast prestressed concrete girders, 0. Footings are wide areas of concrete which dig deep into the earth. Use this calculator to determine how much sand, aggregate (gravel) and cement is required for mixing on site a given area of concrete (1:2:4 ratio). The calculator will estimate the number of cubic yards of concrete that will be required. We find that 4 inches of 3000 psi concrete is adequate for most applications. Thickness of Slab – 150 mm ; One Way Slab Bar Bending Schedule Calculation. The calculation of the thickness of the foundation slab under the house should be made based on data on the freezing of soil on the site. 1 for details. Calculate Cubic Yards - Divide the cubic foot measurement from Step 1 by 27. The edges of the proposed slab will need to be contained. However, the price can go up to $9-10 per square foot depending on numerous factors and enhancement costs. Cutting length of short span = Length of span + Crank length – 45° bend = 3721. Concrete detail for secondary containment floor with two layers of reinforcing. Most designers calculate the required thickness of a floor based on the flexural strength of the concrete. The pavement should form from slabs of at least 4 inches thick. That would require calculating the failure point of a two inch slab of concrete, in bending, involving the psi strength of the concrete, and the aggregate size. Free online concrete slab calculator estimates amount of materials needed for a monolithic slab on grade and their total cost. Use Table 4. The assumption in …. Questions? Call toll-free (866) 404-1000. The average cost of a concrete slab (6 inches thick) is $5. Concrete Slab on Grade Dowel Bar Spacing, s = 15. Click the button to calculate the volume of concrete and man-hours (not. Depth of control joints should be one-quarter of the slab's thickness. The calculator will indicate the number of 60 lb bags you will need to build a 4 inch or 6 inch slab. The SAFI FOOTING CALCULATOR can be used in French or English with metric units, imperial units or any combinations of metric and imperial units. Calculation. As a rule of thumb, always round up to the nearest quarter yard to compensate for differentials in depth, measurements, and/or "waste/spillage. Placing tubing deeper in the slab means, simply-put, that more heat will transfer into the slab and ultimately into the soil below than will be transferred up to the top of the slab and into the occupied space. studded slab procedure shows that simple analysis for a singly reinforced concrete section can adequately model the system (Easterling & Young 1992; Terry & Easterling 1994). Design Codes SAFE will peform both traditional reinforced concrete design checks as well as post-tensioned concrete design. The results. Concrete containing lightweight aggregates and carbonate aggregates retain most of their compressive strength up to about 1200 oF. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. To use the calculator: Choose units of measure: English or Metric. Low Profile panel design – reduces overall design height when using smaller diameter pipe. Insulation design and detailing should avoid thermal bridging by ensuring continuous insulation between the internal and external skins in all external walls. Enter the width and length of your slab in metres. For the prefabricated steel tube/bar truss–reinforced half slab with thin concrete, the compressive effect of the steel. 34 psi which is nothing! As for the hot tub, if you use a size of 8'x8' and the weight of 4500 pounds it only adds another 0. The concrete calculator should help you get started on the planning phase of your project. Concrete curing. The slab is simply supported. Concrete Wall & Footing Use this calculator to determine the cubic yards in a foundation wall and footing. The calculator will automatically estimate the number of cubic. Bamboo bracing should be done at around 4′ ht from floor level. European Commission 3. minimum thickness composite concrete slab is required. Processing. Multiply the thickness of the slab by the basic area. Please log in or register. ) Sealant Depth or Thickness (in. The design and construction of concrete slabs for 2. (636)942-4400 Imperial Plant | (573)262-4400 Bonne Terre Plant [email protected] First will will pick from a list how thick the GFRC will be for your project. Then up to the trial slab thickness, 10 in. 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. 7—Jointing 2. Concrete slabs are usually not perfect cubes, so additional steps are needed. 85 per square foot on average. 5-Maximum and minimum reinforcement require-ments 7. • Precast slabs are less thickness and thus reduced weight. phrase}} by color family. Design of Reinforced Concrete Structures ECIV 3016 LECTURE3: dead load calculation Second Term 2012 Slab Thickness Calculation Beam (rib) Kind Maximum Length (m) Minimum Thickness (cm) Simply Supported 0. So if you have a rectangular slab to remove you multiply the length times the width, both in feet, by the thickness in inches and then by 12. Performs civil engineering calculations for traffic/road geometry, surveying/earthwork, pavement, concrete floors and unit c Download transportation engineering software Pavement Calculator 2. In concrete calculation, first measure volume in feet then multiply with 1. (b) 8 mm dia. D = Design slab thickness A0 = Regression Constant A1 = Regression Constant W18R = Design Traffic=14. 'Slab Thickness Design for Industrial Concrete Floors on Grade' (IS195. Contact Area, Ac = 45. A good rule of thumb is to make your cut ¼ the thickness of your concrete. Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. The target U value for a concrete ground floor slab is 0. Basement slabs and interior slabs on grade, except garage floor slabs 2,500 2,500 2,500a Basement wallsc, foundation walls, exterior walls and other vertical concrete surfaces exposed to the weather 2,500 3,000b 3,000b Driveways, curbs, walks, patios, porches, carport slabs, steps and other flatwork exposed to the weather, and garage floor slabs. Concrete containing lightweight aggregates and carbonate aggregates retain most of their compressive strength up to about 1200 oF. (See table 5. Support props for double staging terraces shall be carefully checked. If your builder charges you more for one of these cost-cutting waffle slab systems, then you are getting cheated. This thickness is recommended for walkways, driveways, patios, and garages. The diameter of Footing reinforcement. Concrete Slab Cost Calculator. and 3000 psi concrete. (Top and Bottom). for thicker slabs. 2 Two-End Continuous 3. The fastenings are provided to keep the column in position. 66 466 / 18. I would typically use a plate 3/8" min. In reality even if you have a 6" slab if the sub-base below isn't compacted well its gonna crack just as easy as a 4" slab would. Basketball Slab Specifications • 4” slab of 3500 psi concrete. (See table 5. Steel–concrete composite girder webs used to connect flanges in bridges are generally slender, which introduces stability problems. Photograph 2: Perimeter Slab Edge Insulation and Perimeter Slab Insulation—Two inches of rigid insulation is about the maximum practical thickness possible. Circular Slab or Tube. The concrete slab is often placed on a layer of sand for drainage or to act as a cushion. By Filip Derma and Wojciech Sas, PhD candidate. 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. Enter dimensions. for computed thickness of 11. A 120-mm-thick slab with a minimum rib thickness of 125 mm for continuous ribs is required to achieve a 2-hour fire rating. Vertical stiffeners were welded at supports, loading points to prevent shear buckling failure and crippling of the web before flexural failure. Then up to the trial slab thickness, 10 in. If the area is complex or multiple pours are needed, break the project into smaller pieces and calculate the concrete needed for each individually. Number of Main Bars = Ly / spacing + 1 = (4000/150) + 1 = 27 nos. It also depends on the purpose of the concrete you’re laying down. To use the concrete volume section, 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. You’ll need to consider the soil or sub-grade conditions in the location you’re laying the concrete. Please enter the dimensions in the white fields below and click calculate to display the results. 50 per square foot, including materials and labor. Slab insulation. Concrete driveways are constructed using ready mixed concrete manufactured locally from portland cement, high quality aggregates, and water. Conventional concrete slabs are square in shape and have a length of 4m. 'Slab Thickness Design for Industrial Concrete Floors on Grade' (IS195. A need was therefore identified for a guidebook on the NDT of concrete. The assumption in …. In concrete calculation, first measure volume in feet then multiply with 1. You should not listen to the advice of loved ones and especially neighbors that they are so filling the foundation and that the house is normally standing. The problem does not present the same simplicity for post-tensioned. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. 77 177 / 8 = 22. What is under the concrete if anything? 7. In short, paving extra for additional concrete worth the maximized durability. Using the right thickness of pavers and base and installing them properly is critical in creating driveway pavers that last and stand the test of time. aggregate concrete f pc = average value of compressive stress in concrete in the two directions (after allowance for all prestress losses) at centroid of cross section f yv = specified yield strength of shear studs h connections is given in Section 11. 15 inch for the same CBR and design EAL when the thickness of crushed-stone base was varied from 3 to 6 inches. 45 cubic feet of concrete when mixed with 2. Firstly locate and lay out the areas to be concreted using stringlines. 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. Figure B-10: Alternative Floor Slab Detail. They have a minimum base width of 100 mm for slab thickness upto 200 mm and a minimum base width of 150 mm for slab thickness over. Support props for double staging terraces shall be carefully checked. 1) Increasing the thickness of slab. The minimum concrete thickness required is 1-1 / 2 “. A preferable gap range is 1 in. Calculate the maximum wall load (in pounds per linear foot) that the edge of a concrete slab-on-grade floor can support by providing the following input: Compressive strength in pounds per square inch or kilo Pascals Modulus of subgrade reaction in picocurie or megapascals Slab thickness in inches or milli meter. Shrinkage and Expansion Example Calculation Calculate the total joint movement for existing PCC slabs 9, 10, 13, 14 ft. You should not listen to the advice of loved ones and especially neighbors that they are so filling the foundation and that the house is normally standing. 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. NET platform. The fastenings are provided to keep the column in position. 5 × rise × going / √(rise2 + going2) + waist + finishes Finishes are included as they are generally assumed to have a density equal to that of concrete. It is also available with heavy Z350 coating for coastal regions, or with COLORBOND® finish on the underside. The 20 gauge thickness is in stock, but 22, 18, and 16 gauge material is available. Generally, the ideal paver thickness is 2 and 3/8 inches, while the base is four to six inches. It covers concrete calculator for column footing, wall footing, floor slab, rectangular column, circular column and stair. Whether you are laying a floor slab, concrete driveway or a footpath, the basic procedure is the same. The thickness of concrete depends on its application. As a rule of thumb, always round up to the nearest quarter yard to compensate for differentials in depth, measurements, and/or "waste/spillage. 2 Load locations 56 9. We have provided a volume calculator for your convenience. Jointing concrete for controlled cracks. The pavement should form from slabs of at least 4 inches thick. 1-1 are conservatively treated as edge columns. DESIGN OF CONCRETE BUILDINGS Worked examples Report EUR 26566 EN. Assuming a 150mm thick reinforced floor slab, this will cost kes 4000 including reinforcement. What is under the concrete if anything? 7. Factors used in this calculation include: • Portland cement concrete slab measuring 7. So, the Self-weight of each square meter of the slab would be = 0. 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. (See table 5. For example, a 4-inch patio slab will have a 1-inch concrete joint. The minimum slab thickness for CPCD is 6 in. Concrete Wall & Footing Use this calculator to determine the cubic yards in a foundation wall and footing. The 20 mm would apply to a dry climate and the 30 mm to a seaside location. A minimum thickness for a non-load bearing slab would be 75mm. aggregate concrete f pc = average value of compressive stress in concrete in the two directions (after allowance for all prestress losses) at centroid of cross section f yv = specified yield strength of shear studs h connections is given in Section 11. How much reinforcing was placed in the concrete and and at what location within the slab? 5. " found this online on a very quick search. 2 guide to concrete floor and slab construction (aci 302. The calculator will estimate the number of cubic yards of concrete that will be required. Slab bottom steel in the direction of cantilever is # 13 @ 190 mm c/c. Concrete Wt. Mean 28 Day, Third Point Loading Flexural Strength (S’ c). For Slab, If we need to calculate the concrete volume, Volume = Length X Breadth X Width/Thickness = 5 X 3 X 0. • Different composite slab thickness can be achieved, as required by structural considerations, by varying the topping thickness but keeping the precast thickness constant. Concrete Foundation Cost Calculator. Explanation: The standard thickness will depend on the use of the garage. 3-14 and A23. You should not listen to the advice of loved ones and especially neighbors that they are so filling the foundation and that the house is normally standing. On most industrial warehouses and distribution centers, 4,000 psi concrete is used for slabs. It’s not just the thickness, though – the pounds per square inch (PSI) of the concrete also determines the strength of your driveway. phrase}} by color family. To Download Your Free Concrete Calculator - right click - save as. The strip footings vary in depth depending on the soil conditions on the site. that equals 640 sq. 0 which will be applied to f'c to determine the maximum allowable factored axial stress. The calculator will indicate the number of 60 or 80 pound bags of QUIKRETE® Mortar Mix you need to construct your project with a 3/8 inch (All yields are approximate and do not allow for uneven application thickness, waste, etc. , and use slab thickness of 10 in. As a rule of thumb, always round up to the nearest quarter yard to compensate for differentials in depth, measurements, and/or "waste/spillage. Certified strength documentation should be obtained from the firm who supplies the concrete mixture at the time of the pour. Table of contents: Concrete definition. Figures 4-9 through 4-11, and 4-15 show configurations with insulation on the exterior surface of the foundation. Rebar Calculator Processing. Practical Considerations The total slab thickness h is usually rounded to the next higher 1/4 in. Purchasing slightly more concrete than the estimated result can reduce the probability of having insufficient concrete. The thickness of a concrete slab is chosen according to its usefulness. When a load is applied on the surface of a concrete slab, it will cause flexure of the slab thus producing tensile and compressive stresses (Setyawana, Zoorobb &Hasan2013). Lightweight concrete has insulating properties, and transmits heat at a slower rate than normal weight concrete with the same thickness, and therefore generally provides increased fire resistance. It does not matter whether the slab is a wall or a floor, the airborne sound transmission is the same. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness. Just remember to add some extra concrete to your total order because running short is not an option. This thickness is recommended for walkways, driveways, patios, and garages. Runs on the Windows. This general purpose foundation calculator can also calculate concrete piles and pile cap foundations. Bridges are subject to all modes of heat transfer: radiation, convection, and conduction. Slab insulation. The Clear cover will be 25 mm (Top or Bottom) and the thickness of the slab is 150 mm. The depth of forms is equal to the thickness of the slab. FIrst, find number of rods required for main reinforcement and distribution. Low Profile panel design – reduces overall design height when using smaller diameter pipe. However, this is not linear; a 4 inch thick slab will not cure 4 times slower than a 1 inch thick slab, although. The calculator will indicate the number of 60 or 80 pound bags of QUIKRETE® Mortar Mix you need to construct your project with a 3/8 inch (All yields are approximate and do not allow for uneven application thickness, waste, etc. Concrete has become a very common construction material in most IAEA Member States and problems have occurred because of faulty construction practice. WE LOOK AT THE VARIOUS WAYS TO DO THIS. 54(to convert into dry volume), divide by 27 to calculate in yards Thickness of slab. Steel-reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving (see below). Abbotsford Concrete Products has been an innovative industry leader in the manufacturing of Interlocking Pavingstones and Segmental Retaining Wall Systems for three decades. d < provided slab thickness ∴ A slab is safe against a moment. Remember that the best way to stay on budget is to make sure that your thickness is even across your pour. Based on ASTM C518 (Calculation Method) the door has an R-value of up to 11, but using ASTM C1363 (Tested/Operable) the same door only have an R-value of up to 3. A brick wall of 250 mm thickness including plaster of 1. 6 Slab thickness & beam depths should be checked. Rebar Calculator Processing. 25 0 50 100 150 200 250 300 350 400 450 500 AADTT in one direction) NDD=1 D=1. On-Site Concrete calculator. Use Δ T = 67°F and Δ T = 45°F, a granular base course and e ~ 5. Steel–concrete composite girder webs used to connect flanges in bridges are generally slender, which introduces stability problems. Small loads incur extra surcharges so it is always best to get your quantities right to avoid extra expense and delays in service. Let's assume the weight of the water and tank is around 44,000 lbs. This thickness of concrete is found when the pipes are installed upstairs or during renovation where the pipes are placed on an existing slab. 35 ksi For this example the floor capacity is found for two different floor systems: Find capacity of steel section independent from slab Find capacity of steel and slab as a composite Non-composite vs. 45 = number of 60 lb. Edited March 21, 2017 by UmarMakhzumi Edited topic title to make more relevant. To control deflection, ACI Code 9. concrete cover is required (see Table A-4.