# Slab Load Calculation

Live Load A live load consisting of a single load of 500 lb distributed over 2. Proper design avoids excessive deflection which can result in cracking. General (Concrete properties, Load combination) RC beam design (ACI 318-05). 9m and b = 3. Dead Load – Under this category all the load of the dead or non-moving/stationary/fixed elements of the building are considered such as dead weight of walls, weight of roof/floor finishes, self weight of structural members such as; beams, coloumns, Footings & RCC slabs etc. Assume the slab has a thickness of 125 mm. Distribution steels are provided to distribute any unevenness that may occur in loading and for temperature and shrinkage effects in. Figure 403. Steps to Estimate Cubic Yards. Live values between 3. 19 per square foot. Title: Design of Reinforced Concrete Structures ECIV 3016 LECTURE3: dead load calculation Author: Nour Created Date: 3/8/2012 2:12:07 PM. Abutment Column Design; ACI 318-08 Rec Sec. EDGE BEAM CALCULATION Summer Cooling Load Calculation 3. This free concrete calculator estimates the amount of concrete necessary for a project, and can account for different shapes and amounts of concrete. Integrated into each beam case is a calculator that can be used to determine the maximum displacements, slopes, moments, stresses, and shear forces for this beam problem. Formula of Volume = height x PI X (radius X radius) where radius is half the diameter. 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. with changing of slab thickness, floor panel aspect ratio and span length. 25cal strip mastershot #2 brn. plate at a given point. 451 cubic yards. 5 kN/m 2 is considered. This could be a deadman specifically poured for the job or existing slab or footing. Calculations of Slab Thickness and Dead Load & live load for building Calculations of Slab Thickness and Dead Load & live load for building. percentage of stress for a single wheel (or post) load is approximately. Learning how to design with them becomes straight forward with a few pointers. These loads shall be applicable for the design of buildings. Load transfer efficiency was found to be a complex pa rameter that depends on many factors that include load position, testing time, slab temperature, and load transfer device. NCHRP 663 provides an equivalent static load methodology for TL-3 and TL-4 barriers and recommends a maximum distribution length of 60 feet for a moment slab system. Welcome to the concrete calculator. 5 psf 1/2" Drywall Ceiling = 2. A typical wood-frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot; if there's wall-board covered ceiling suspended from the underside of that floor, the dead load increases to about 10 pounds per square foot. 125m3×8000kg/m3. 2) Fixed Charge: This is mostly dependent on the connected load that the utility provides you. 9 References to Eurocode 1 and Eurocode2clauses 80 5. Now, you have to get everything into the same units. So we need to calculate the quantity to tell the contractor. 8 kN/m2) (3. Density *Area. ? Given Data: Covered Area = 2,000 square foot. if concrete is 100 cum. These limits apply to deflections under immediate application of live load, and long-time deflections under sustained load. N1 - Acceptance in SAN OA article. So, we can calculate slab load to be around 6 to 7 kN per square meter. The slab should be provided steel bars to withheld tensile force, so this slab is called the RCC slab. 70 kN/m² Live Loads:. Flexural strength is estimated by the modulus of rupture, which is assumed to vary with the square root of the compressive strength. , interior beam dimensions = 14 in. An interior load condition is assumed for flexural analysis. For flat plate slab system, the minimum slab thickness per ACI 318-14 are: 376. ASCE 7-05 section 4. Ingeniir is a free Engineering calculations and technical resource website. Specifically, a concrete slab on grade may be subjected to concentrated post or wheel loading. Strength Design or Ultimate-strength design (USD) Strength Design or Ultimate-strength design (USD) With strength design method, the working dead load (DL) and live load (LL) are. This video explains how the slab load transfer to beams with tributary area of two way slab and one way slab with an example. Looking for the definition of SLAB? Find out what is the full meaning of SLAB on Abbreviations. APPLICATION OF INFLUENCE SURFACES (i) for a distributed load p(x,y) M(u,v)= Jf p(x,y) m(u,v;x,y) dXdy (ii) for a line load p(s) M(u,v)= !p(s) m(u,v;x,y} ds. 59 - $117 per square foot*. A slab is supported by the beams shown in the plan view below. Firstly, needed informations are girder area, unit weight of concrete and span length to calculate maximum moment due to self weight of girder. In restrained slab, torsional reinforcement should be provided. - people, furniture, machinery…) ASCE 7-05: A standard provided by the American Society of. In two way slab, the ratio of longer span (l) to shorter span (b) is less than 2. Alpha shows whether portfolio returns are the result of high-quality portfolio management, or due to market swings and higher risk. This collection includes following spreadsheets under following categories, Geotechnical design, Structural R/F concrete, Structural steel design & detailing, Bridge design, Timber design, Structural dynamics, Wind load calculation and Hydraulics and. L h b L = Span B = width H = depth or thickness. continuous slabs b. [Slab Plus Beam Depth] is the distance, in inches, from the top of the slab to the bottom of the T- beam. Cantilever beam with slab-type trapezoidal load distribution. 25 square feet (2 ½ x 2 ½ ft) is a load of 320 PSF. L1084 – 32 Abingdon Villas Page 35 of 70 Pringuer-James Consulting Engineers Ltd. PART B:CHAPTER 5 Vertical Loads A rigid frame analysis can be carried out to calculate the theoretical moment transferred from deflecting slabs into the walls above. The example building consists of the main block and a service block connected by expansion joint and is therefore structurally separated (Figure 1). Fortunately you don't have to remember the density of gravel - our calculator sets this value for you by default. Total weight = 312. So part of the load is carried by one set and the remainder by the other. Disclaimer: This calculator is not intended to be used for the design of actual structures, but only for schematic (preliminary) understanding of structural design principals. Let’s assume, the thickness of slab = 125 mm. therefore self weight of beam say 'x' kn/m+Live load intensity X(25/4) /5 +100/(4x5)+flooring weight on per r/m of beam. Generally we assume 1 to 5 percentage steel in columns of concrete. 15 and consider corner bays and endspans, as Mr Beale suggests, then a comparison with CP114, with mild steel stress (140N/mm²), gives the results shown in Table V2 for span/thickness ratios. 8 kips • Critical load for buckling about y-axis = Pcr-y = () 2 2 y y y K L π E I = ()2 2 240 π ×29000×56. 25cal strip mastershot #2 brn. Calculations of Slab Thickness and Dead Load & live load for building - Free download as PDF File (. Its preferable to perform crack width calculations based on spacing of reinforcement. buy precast cement pads. 1 Simply supported square slab e slab with span L subjected to uniform load p as shown in Fig. loads and in the hollowcore plank it compresses the bot-tom more than the top. axial compression and bending [1]. Note that you may wish to adjust the cement and sand fraction based on the nature of the coarse aggregate. If you were going to pour a slab that was 2 feet wide and 2 feet long, it might be 4” deep, which is a normal depth for a concrete slab. Even for BPL category, if the monthly consumption goes above 40 units, the following general rates are applicable for BPL category as well. Load transfer from slab to beams is one of the most intriguing aspects of design, especially for beginners in the design of reinforced concrete structures. So, we can calculate slab load to be around 6 to 8 kN/m². If you would like to account for live load reduction you can either reduce the loads manually after importing or manually assign live load reduction parameters in the Live Load Reduction tab of the Span Segment Properties dialog. Concrete Slab Calculator. The load tests demonstrated the effectiveness of both strengthening alternatives and the ability of the strengthened slabs to safely support the design loads. The calculation of live loads has to be done by taking properties of. Shear "VL" (Own Weight) Diagram. 9m and b = 3. The load shall be applied at the most critical location where a worker or equipment could be placed, see AASHTO 2015, Section 3. In two way slab, the ratio of longer span (l) to shorter span (b) is less than 2. 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 input1. A good design requires accurate calculation of loads on structure to get the requirements of any design which are safety and economy. The clear cover is 30 mm ( top to bottom ) and the thickness of the slab is 150 mm. buy precast cement pads. Calculator aims to calculate maximum moment due to self weight of girder, wet weight of slab (deck) and superimposed dead loads. Dead and live load. Let's presume it is supporting 2 loads, the concrete slab above it (dead load) and the service load (live load), i. powder load fastener length (inches) gas powder powder load interior non-load bearing drywall track 25 - 20 gage 3/4 #3 grn. • Load-Deflection curve. Cement Slab installation costs vary considerably by location. Assume the slab has a thickness of 125 mm. The slab should be strong enough to bear the required load according to design. This value is based on the passiveness of the section concrete+steel. Suppose we have a covered area is 200o square feet and over there we need to construct the R. LOAD tAbLeS Deck must be properly fastened to resist all loads including construction loads. Enter the distance the long and short bars need to end. 8% in footings. By the time we get down below the footing a distance equal to the footing's width, the unit soil pressure has dropped by about half. It increases the ductility of the ground slab as well as provides a tie through crack-induced joints and thus shares the load between segments of a slab. Tension elements: Elongation due to axial load Calculator: Calculates elongation (as well as stress and strain) for prismatic elements subject to axial force. Slabs or foundations can be of any shape, and can include edges shaped with circular and spline curves. Assuming a poisson’s ratio = 0. Calculating the amount of concrete needed for slabs (including odd shapes) Rule of thumb: add 1 / 4 " to the thickness of your slab for your slab concrete budget. 0 feet transversely to the member shall be used for designing members for walkways and platforms. Other loads, such as loads on the roof transferred through dual pur-pose rack systems are also covered. For example, if you have a slab with a single mat that changes to a double mat where a refridgerator goes, in the area where there is a double mat the load-bearing capacity would be your base psi plus 2,000. The Aardwolf Double Forklift Boom is powder-coated for extra durability and longevity, so the operator can use it for years to come. Ingeniir is a free Engineering calculations and technical resource website. For example, slab deflection at its centre at the ultimate load for SFRC slab is 2. The IRC is not specific on how to support these bearing points. Just plug in the numbers, make sure you choose meters, and hit calculate. Crack pattern in unjointed pavement due to environmental and load stresses Adequate load transfer results in lower deflections, which. Checking slab deflection is included in the beam design section of BS 8110 Part 01. 2- Slab can carry any kind of loading like point load, UDL etc. 00 per square foot. 5 psf 1/2" Plywood Panel = 1. Slab Stress - Interior Loading else b = a f =b 2. atoll south africa is a leading supplier of superior. The load on the slab is 5. Convert and Calculate; Welcome to the OnlineConversion. 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. For wheel (or post) spacings of 5' to 15', the increase in stress is. Granite slab during the load test The nominal capacity of a 1. Loads and Load Analysis Distribution of Dead Loads to Framed Floor Systems • Many floor systems consist of reinforced concrete slab supported on a grid of beams, • We need to understand how to transfer the load from the slab to the beams, • For Case 1: • It is a square floor system, • The edge beams support the same triangular load,. To calculate footer only set post to 'None'. Notice that the middle tributary zone must carry more weight than the adjacent areas B and D. Add the live load for floor or roof with access or roof without access as per code [for INDIA, IT IS IS 875] per sqm and add both of them to get the total load on the slab. The other issue for these slabs in cyclonic regions is the lack of concrete under the big truss reactions. This could be a deadman specifically poured for the job or existing slab or footing. Thus, resulted in area (m 2) × floor load (kN/m 2) = loading on column (kN). 00 psf Radius of Relative Stiffness l = E * h³ 12(1 - ²) * k 0. analyze the effect of various factors including live load, sustained load, span length, long-term multiplier, etc on the minimum thickness requirements of a two-way slab, unsupported by drop panels. slab cracking. Calculating Deflection Due to Live Load Generic Import/Export Hyperstatic Actions inPrestressing Procedure for CreatingConcrete Outlines Tendon and StrandDefinition TN4 - Strength Evaluationof Existing PT Beams/Slabs TN175 - Implementation ofEuropean Code TN179 - Design of Post-TensionedMembers in Bending ACI 318-2002 TN182 - Design Process TN192 - Punching…. 25 O = M =max 0. 35 on 260 mm high slab. This totals. Span length, plank thickness and design load requirements will determine the amount of pre-stressing force needed in the plank, from which the engineer can calculate an estimated camber. which case deflection calculations are not required. All spreadsheets that you can download are fully functional. Uniformly loaded one-way slab deform into the cylindrical surface and hence bending moment develop only in one direction. 15 m^3, you need about 0. An interior load condition is assumed for flexural analysis. 08 k Net upward pressure from soil, w. Motors have a nameplate rating that is listed on the side of the motor. A thin topping slab completes the system. The Calculation Enter the length of your slab Enter the width of your slab Enter the required grid spacing of your long bars. This model is built to simulate the real state of slab and columns in one story building. Plans shall reference the correct vital soil report information for design: the company and their report. Note:;User MUST determine slab thickness from Figure 7b, and input the result in cell Slab Thickness, t. 1 SCOPE This chapter specifies the minimum design forces including dead load, live load, wind and earthquake loads, miscellaneous loads and their various combinations. For example, slab deflection at its centre at the ultimate load for SFRC slab is 2. Extra Load tires of the same size will typically have the same load capacity at the same pressure as the Standard Load tire. Dimensions and weights used in wheel load calculations where W\ is the wheel load on side 1 (kg), W2 is the wheel load on side 2 (kg), Wc is the weight of container (kg), M is the number of wheels on each side (possibly 2),/d is the dynamic factor, A\ = \ - {X/Xi), A2 = Xc/X2, Ux is the unladen weight of gantry crane on each wheel of side 1 (kg. In the end, after calculating the entire load on a column, please do not forget to add in the factor of safety. In this case, the total weight of top slab and sidewalls = {(10. , and unfactored live load = 100 psf. Calculate and sketch the loading that acts along the beams AB and BE. Different types of loads which are imposed on the slab are discussed. F3 = 310/116. Balance of 2 hr (s) minimum labor charge that can be applied to other tasks. By the time we get down below the footing a distance equal to the footing's width, the unit soil pressure has dropped by about half. m for a total dead load 472 kg/sq. Provide the following loading data in Post-Tension Slab-on-Ground calculation: concentrated loads from framing elements; posts and columns, fire places, heavy equipment, etc, and perimeter line loading. 0 feet transversely to the member shall be used for designing members for walkways and platforms. So, we can calculate slab load to be around 6 to 8 kN/m². 7) what is admixture of concrete and its types and its properties. Calculate the three critical stresses for 9 inch thick slabs. Thickness of Slab – 150 mm ; One Way Slab Bar Bending Schedule Calculation. 451 cubic yards. Welcome to CALCULATOR EDGE, an online FREE Engineering Calculators for Engineers and Students Axial Load Capacities for Single Plates : Slab on Metal Deck. 1 Plywood 18mm Page 14 1. 75% of dry volume. powder load fastener length (inches) gas powder powder load interior non-load bearing drywall track 25 - 20 gage 3/4 #3 grn. Our Airplast is used for voids in monodirectional slabs, and in prefabrication of predalles slabs. A design engineer must specify the. Thickness mm. With some limitations, reinforcement for slabs can be sized using the Subgrade Drag Theory in order to increase the spacing of control or construction joints. Moment transfer factors for column-supported cast-in-situ hollow core slabs Authors (first, second and last of 5) Load-carrying capacity and practical calculation. Reroofing Allowance. Assuming the floor screed weighs 100 pcf or 1602 kg/cubic meter, we have. 5 psf Roof Framing = 3. For a floor, this must consider the slab, as well as supporting girders, joists, etc (or foundation, soil, etc at ground level). The American Concrete Institute. 2 Calculation of Trapezoidal Load- Trapezoidal load is applied on the all the panels of the. Measure the window and door area. Now, If we consider the Finishing load to be 1 kN per meter and superimposed live load to be 2 kN per meter. Add the length and width (or diameter) and the desired thickness of the glass/mirror. 678 Hence various moment coefficients are: Interior –ve moment coefficient = 0. Now, assume Finishing load to be 1 kN per meter and superimposed live load to be 2 kN per meter. Maximum deflection is 47. 5 kN/m 2 (153 kg/m 2) in domestic buildings to approximately 10 kN/m 2 (1053 kg/m 2) in heavy industrial areas. 9m and b = 3. In our example 16. This totals. 25cal strip 1/2 #4 yel. The mesh reinforcement in the slab is placed in the top with 1" covers. What Is Slab Beam / Hidden Beam / Concealed Beam? The hidden beam is a reinforced concrete beam, also knows as a different name also like that, a Concealed Beam, and a Slab beam provided within the depth of supporting […]. 50 in P r c Uniform Distributed Live Load q = 1,500. Load calculation. Slab Thickness h = 6. A minimum thickness for a non-load bearing slab would be 75mm. As a process, we assume virtual slab and obtain a calculation formula solution by applying it to the calculation formula for the fixed supported all edges. 0 kN/m2+ LL) 57 58. ' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. 00 m x 3 cm (thick) granite slab needed to be determined in order to exclude failure under the actual load combination at the time of installation and current use. Slabs or foundations can be of any shape, and can include edges shaped with circular and spline curves. Three types of load are considered while designing slab: 1. 1 One- and two-way action 13 2. 686mm -0 ± 6. To use the Concrete Slab Calculator, simply enter the width, length, and thickness of your pour. Using the drop-down, please select the insulation status specified in your building plans for the Below Grade Walls. Even for BPL category, if the monthly consumption goes above 40 units, the following general rates are applicable for BPL category as well. A design engineer must specify the. Typical sizes for concrete slabs are 12x12, 20x30, 30x50 and 40x60, but may differ according to your project's specific needs. 2(1) Load system LM1 (TS and UDL systems) LM2 (single axle) Uniformly distributed load gr1a Frequent values gr1b Frequent values Groups. These charts were used in the reverse direction for the purpose of this analysis. Concrete is ordered by volume in cubic yards. Repeat for a range of yield line patterns; 4. 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. 1 Simply supported square slab e slab with span L subjected to uniform load p as shown in Fig. • Deflection profile. The width of the slab strip to be used in the calculation is provided by AASHTO (Section 3. 1: Load transfer in (a) One-way slab, (b) Two-way Slab (Nilson). The interest in this series of tests is axial load transmission through the weaker slab concrete, and no moments are imposed on the slab-column connection. In the above calculation of RCC slab weight, further additional load due to floor finishes are included generally for stone/cement floorings 0. Slab Load Calculation 150 x 1 x 2400 = 360 kg which is equivalent to 3. So, the Self-weight of each square meter of the slab would be = 0. Cantilever beam with slab-type trapezoidal load distribution. Thus, resulted in area (m 2) × floor load (kN/m 2) = loading on column (kN). Become VIP Member. 3- if the roof attached to glass or cladding or Gypsumboard No. Welcome to CALCULATOR EDGE, an online FREE Engineering Calculators for Engineers and Students Axial Load Capacities for Single Plates : Slab on Metal Deck. loads and in the hollowcore plank it compresses the bot-tom more than the top. Slab Stress - Interior Loading else b = a f =b 2. The dead load stress is found. The last calculations show the allowable live load on the slab using the composite section properties cracked theory. Note that the strength design method is used; moments must be computed based on factored loads. 25 O = M =max 0. 9m and b = 3. You don't want way too much, just a little extra, and you don't want to run short of what you need. Hi, My scenario is, i have to calculate payroll processamount based on the Slabs The amount should get calculated with respect to slab defined for it 1)0-100(static. Concrete Slab Calculator for Slabs, Floors, Footings and Cylinders. w = Maximum Allowable Stationary Live Load, k = Modulus of subgrade reaction, h = Thickness of slab, s = Allowable extreme fiber stress in tension, E = Modulus of elasticity. The spreadsheet uses a Boussinesq analysis to calculate the dispersion of the loads and calculate the effective point loads and universally distributed loads acting on the surface of the concrete protection slab. So we need to calculate the quantity to tell the contractor. Weight of steel = 0. 4 parts by volume, or 1. A concrete slab surrounding. Ingeniir has a comprehensive library of technical pdfs. Provide the load intensity on the slab and the type of load (such as lift-truck or other vehicle loadings, long-term uniform storage or rack loads, line or wall loads, etc. if concrete is 100 cum. 168 * q O² * 10-3 M =max 14,103. The load on the slab is 5. When it is -50 outside the perimeter of the slab, it sure is not -50 under the middle, so not as many btu's are pouring through the middle. Now, If we consider the Finishing load to be 1 kN per meter and superimposed live load to be 2 kN per meter. Calculate the buckling strength • Critical load for buckling about x - axis = Pcr-x = ()2 2 x x x K L π E I = ()2 2 192 π ×29000×391 Pcr-x = 3035. ACI Committee 360. Estimate the labor price to pour concrete vs. Design Procedure for One-Way Slab Check whether the slab is one-way or two-way. Firstly, needed informations are girder area, unit weight of concrete and span length to calculate maximum moment due to self weight of girder. বাংলাদেশ পুলিশ অফিসার্স বহুমুখী সমবায় সমিতি এবং ডেসকো'র মধ্যে র্যাব সদর দপ্তরে সমঝোতা স্মারক (MoU) স্বাক্ষর। তারিখঃ ২৪. Taylor (1967) suggested a technique of stripping formwork to reduce the loads imposed on a slab during construction. 150 x 1 x 2400 = 360 kg which is equivalent to 3. However, for situations where the code required live load is small, or for large point loads, the simplified procedure may produce inaccurate and often overly conservative results. Can it be done with no finite element generated? Simon. If you consumed above 500 units, then you fall under final slab in which first 200 units costs 3. So, we can calculate slab load to be around 6 to 7 kN per square meter. Slab Load Calculation = 0. 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 input1. Maximum deflection at the tip of overhangs is 30. The formula for wind load is F = A x P x Cd x Kz x Gh, where A is the projected area, P is wind pressure, Cd is the drag coefficient, Kz is the exposure coefficient, and Gh is the gust response factor. Re: Point Loads On 4" Reinforced Concrete Slab Like Mike said, most likely it will work in your case because you're dealing with a pergola which doesn't carry to much weight and you not dealing with a snow load,etc. A brick wall is usually four inches or 100mm wide, so the load per metre of height of the wall is: Your wall will be perhaps one storey high, so probably about 2. located in seismic zone III on a site with medium soil. • Deflection profile. 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. 5 kN/m 2 is considered. Figure 403. All beam carry equal load to column Therefore self weight of beam for assumed section,live load in kn/sqm as per purpose of slab use & 100Kn load shall be divided for four beam. flatslabs f'. 1 Thermalstress calculation: Heating 75 4. A slab is a structural element and has little thickness comparing to its cross section. 0 * log(R / b) + 1. 1 Step 1 -0. This information is used to determine the correct slab and beam weight for the dead load moment and to help determine the load carrying capacity of the beam. Polypropylene hoops have a Safe Working Load of up to 1200 kg. I have given an example for the calculation of the quantity steel rod in slab below. 5 kN/m2 (153 kg/m2) in domestic buildings to approximately 1 0 kN/m2 (1053 kg/m2) in heavy industrial areas. Do not use the reduction in the multiple presence factor (m) based on Average Daily Truck Traffic (ADTT) on the bridge as suggested in the Article C3. It assumed in this calculator that they are the same. How to run a quick calculation. 1 Post-tensioned beams 81 5. You will see this calculation in section 3. consider an element of a beam of length. load to dead load, super-imposed dead load, and 10% of live load. Number of Main Bars = Ly / spacing + 1 = (4000/150) + 1 = 27 nos. 7 to 1% in slabs and. This is a terrific concrete slab calculator for estimating how many cubic yards to order to complete your concrete slabs, concrete floors, concrete walls, and concrete footings. Steel reinforcement within ground bearing slabs typically consists of a square mesh that is placed in the bottom of the slab with 50mm cover. Self weight of slab acts: This load acts as UDL, this is calculated after assuming the 1m wide square strip and suitable thickness consideration. Granite slab during the load test The nominal capacity of a 1. 5sqft x 50 psf or 975 lbs. Arrangements for these tests as per Eurocode 4 and IS: 11384-1985 are shown in Fig. Sand calculator online - estimate the sand required for your construction or landscaping project in weight (pounds, kilograms, tons, tonnes) and volume (cubic ft, cubic yards, cubic meters). Triangular area of slab shall be considered for each beam for loading. 2 Heavy Live Loads. The time history of slab loads using two levels of shores and one level of reshores is shown in Figure 8. 9m and b = 3. Add the live load for floor or roof with access or roof without access as per code [for INDIA, IT IS IS 875] per sqm and add both of them to get the total load on the slab. Sn1s and V 'S for slab on grade were calculated for three slablwall configurations to account for difperent wall/slab junctions (see Table 1) , namely, 1. Keeping each slab panel itself level in the xy plane, with partial stiffening in the xy plane, and then connecting them say with rigid link ( as with a cranked slab) so as to transfer the lateral load? Or to do something like this would need to have a mesh generated for the slab i. For example, slab deflection at its centre at the ultimate load for SFRC slab is 2. The slab should be provided steel bars to withheld tensile force, so this slab is called the RCC slab. This assumes you have the job evenly graded to the right depth, and the grade is well compacted. A factor of 1. 4 parts by volume, or 1. Answer / amit mehta. Approximate thickness of slab is calculated as L (span) / 28. o Two way slab in square shape. If you know the. Note that it requires the slab to have the moment-rotation relationship previously given: it must be ductile. Concrete Slab Calculator for Slabs, Floors, Footings and Cylinders. 70 kN/m² Live Loads:. Formworks are structures to used to support and hold fresh concrete in place in order to obtain the desired shape prior to setting, curing, and hardening. 5 lb per square foot). Occurs when a load is applied on a slab edge “remote” from a slab corner. Of course, if you decide to use some unusual aggregate, change the density as you need; this function is available in the Advanced mode. It will help you calculate the number of bags of concrete required for your path, slab or post holes. 5 times the slab span. One Way Slab Design Example: A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft. job site installation. The live load is the external force applied to a deck due to the activities of its use. Now, assume Finishing load to be 1 kN per meter and superimposed live load to be 2 kN per meter. For one sq. To calculate the amount of concrete needed, you'll need to consider the thickness in addition to the length and width of the slab. below: Fig. located in seismic zone III on a site with medium soil. Enter the length. 4mm on center Sheet Size 686mm wide* x 2438mm long* (1. You can reduce first 100 units as concession. The two following independent loadings p 1 and p 2 are considered: p 1 =g+(0. Base Floor Slab—Waterproof System A typical base floor slab where the design criteria include controlling moisture migration and water vapor transmission into the interior space can be referred to as a waterproof. When it is -50 outside the perimeter of the slab, it sure is not -50 under the middle, so not as many btu's are pouring through the middle. 3 KN/m 2 Where W u = Total load on slab 2. You need to factor a “safety factor” into your calculations. For the design of an actual structure, a competent professional should be consulted. Since imposed load to be designed for is 2 kN/Sqm and slab has been designed for 4 kN/Sqm, load to be considered from wall is 1. Wind and Seismic Load on Gable Steel Frame Download Slab Punching Shear Calculation Spreadsheet Download Crack Width Calculation Spreadsheet Download Subframe Analysis Spreadsheet Download Concrete Creep, Shrinkage Factors and Tensile Strength Calculation Download One-way Slab Design Spreadsheet Download Rigorous One-way Slab Design Spreadsheet. F3 = 310/116. Design the slab following the provisions of the ACI code. Ingeniir has a comprehensive library of technical pdfs. 2 Calculation of Trapezoidal Load- Trapezoidal load is applied on the all the panels of the. consider an element of a beam of length. Assume the the thickness of slab as 100 mm. This value is used to establish the slab thickness using the vehicle loading graphs in PCA’s Concrete Floors on Ground. Live load = 2. A load applied on the slab travels to the support in proportion to the rigidity of the various possible paths. That will be about 66 KG of cement, or a little more than one 50-kg sack (a common size). Add the calculations together to get the total square footage. Rounded up to the nearest quarter yard, we would request 17. Arrangements for these tests as per Eurocode 4 and IS: 11384-1985 are shown in Fig. (feet + inches) Enter the width. Get More Features, Sign Up Now. Click the button to calculate the volume of concrete and man-hours (not. The interest in this series of tests is axial load transmission through the weaker slab concrete, and no moments are imposed on the slab-column connection. If you were going to pour a slab that was 2 feet wide and 2 feet long, it might be 4” deep, which is a normal depth for a concrete slab. Weight of steel = 10 kg/m2. 7 kN/Sqm[5kN/m] loading is fairly under control. tions of the beams in simple-span bcam-and-slab bridges of the usual proportions has been developed. required when the Working Load Limit of the anchor is used in calculations. 1mm deep and 98. For one sq. Dead Load: Loads resulting from objects permanently attached to the structure (i. The work flow is further enhanced by semi-automatic generation of reinforcement bending schedules. gravel cubic yard calculator, grinding mills in south. Dead load = 2. online free live maximum floor live load capacity is a great engineering tool to help you calculate floor strength use it now. 00 psf Radius of Relative Stiffness l = E * h³ 12(1 - ²) * k 0. Wind Loads. Alpha shows whether portfolio returns are the result of high-quality portfolio management, or due to market swings and higher risk. 2 Calculation of Trapezoidal Load- Trapezoidal load is applied on the all the panels of the. It is convenient to think of such slabs as consisting of two sets of parallel strips, in each direction and intersecting each other. Provide the load intensity on the slab and the type of load (such as lift-truck or other vehicle loadings, long-term uniform storage or rack loads, line or wall loads, etc. , and unfactored live load = 100 psf. Reroofing Allowance. It assumed in this calculator that they are the same. Title: Design of Reinforced Concrete Structures ECIV 3016 LECTURE3: dead load calculation Author: Nour Created Date: 3/8/2012 2:12:07 PM. As a result, the live load, dead load and distribution of forces are different. 50 per unit. The familiar image of concrete being poured onto a slab by mixer is starting to change to composite materials that are printed by a 3D printer. We enter a full concrete section into computer, than we make a calculation and then we enter the effects of; cracks due to load, shrinkage and creep. Wood tension element capacity Calculator: Calculates capacity of a wood tension element based on allowable tension on net area (reduced by bolt holes) and, if desired, row and group tear-out. 3 Timber beam H20 As Main Page 16. Keywords: Triangular slab, Degree of fixation, Uniform load, Maximum deflection,. The two most significant factors are the concrete strength and the slab thickness. 600,000 the rate of income tax is 0%. For example, if you have a slab with a single mat that changes to a double mat where a refridgerator goes, in the area where there is a double mat the load-bearing capacity would be your base psi plus 2,000. manual calculation this is the figure134 (W/m²) how can i fix this problem in heat and cooling load report kindly find the attachment If you need actual report in form of MSword i will send you !!!!!. 1, determine the unit dead load for the region that has this construction. Get More Features, Sign Up Now. Select either the Theoretical (required) reinforcement layout located in the RC slabs design or Design > Required reinforcement of RC slabs/walls - options > Calculations to evaluate the reinforcement area for plates or shells. 5" thick), or by using the R value per inch of material (eg R3. 5 of IS:456-1978, which states that the load on beams supporting solid spans, spacing in two directions at right angles and supporting uniformly distributed loads. Concrete for laying slabs. 8a) while SFRC slabs failed plastically. 1 SCOPE This chapter specifies the minimum design forces including dead load, live load, wind and earthquake loads, miscellaneous loads and their various combinations. In a calculation of a slab realized with NEW NAUTILUS, deformation is the paramater that defines the thickness and the sizing. However all spreadsheet are premium spreadsheets where you cannot download for Free. Suspended slabs can include flat, two-way, waffle, and ribbed framing systems. For each square meter slab the self-weight of slab = 0. Formworks are structures to used to support and hold fresh concrete in place in order to obtain the desired shape prior to setting, curing, and hardening. 5 kN/m2 (153 kg/m2) in domestic buildings to approximately 1 0 kN/m2 (1053 kg/m2) in heavy industrial areas. Steel reinforcing is used to compensate for this. For a basic project in zip code 47474 with 120 square feet, the cost to Install a Slab Countertop starts at $80. So we need to calculate the quantity to tell the contractor. Title: Design of Reinforced Concrete Structures ECIV 3016 LECTURE3: dead load calculation Author: Nour Created Date: 3/8/2012 2:12:07 PM. The Concrete Calculator allows to perform the analysis or design of up to six different section shapes depending on the type of load selected. Then, calculate and enter the linear feet of perimeter of the slab below grade. Assignments: Assign the Dead load and Live load for a residential building. Thus, resulted in area (m 2) × floor load (kN/m 2) = loading on column (kN). Download - Income Tax Calculator - FY 2019-20 (AY 2020-2021). 1 One- and two-way action 13 2. Find nearby slab and foundation contractors to help with your footings. Looking for the definition of SLAB? Find out what is the full meaning of SLAB on Abbreviations. This totals. For 6" to 10" thick slabs on grade with 'k' values between 100 pci and 200. It is mostly defined slab wise and the cost increases as units on electricity bill increase. Self weight of beams. As can be seen by the concentrated load requirement, the 2,000 pounds in 6. How much concrete would I need to get for 9 hundreds 25 square feet poured 4in thick How big truck load do I need. The spinners were. 3 The slab is designed based on 1-foot strips, therefore the live load most be distributed to these strips. Summary of Styles and Designs. A minimum thickness for a non-load bearing slab would be 75mm. A slab is supported by the beams shown in the plan view below. Calculations of Slab Thickness and Dead Load & live load for building - Free download as PDF File (. Calculate the volume of a tube or cylinder. Enter the required grid spacing of your trans bars. Factor of Safety: In the end, after calculating the entire load on a column, please do not forget to add in the factor of safety. 75 kN/m 2 to 1. 600,000 the rate of income tax is 0%. 5 Rupees , next 300 units costs 4. Basic Better Best; Crushed Stone – Material Prices: $2300. Looking for the definition of SLAB? Find out what is the full meaning of SLAB on Abbreviations. This model is built to simulate the real state of slab and columns in one story building. We will most likely have extra concrete on our volumetric mobile mixer. Costs to load and haul away old materials, installation waste and associated debris. Live Load A live load consisting of a single load of 500 lb distributed over 2. 5 kN/m 2 is considered. Concrete is ordered by volume in cubic yards. = factored column load calculated from load factors in concrete design R = shorthand for rain or ice load R n = concrete beam design ratio = M u /bd 2 s = spacing of stirrups in reinforced concrete beams S = shorthand for snow load t = name for thickness T = name for a tension force = =shorthand for thermal load U = factored design value V c. 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 input1. A concrete slab surrounding. 125 x 1 x 2400 = 300 kg which is equivalent to 3 kN. Here we display a specific beam loading case. slabs on elastic foundations I e. Assume the slab has a thickness of 125 mm. or $6 – $10. 0 feet transversely to the member shall be used for designing members for walkways and platforms. I remember everything you calculate, and let you review. This totals. The benefit of camber in prestressed precast concrete products is that it allows for. Of steel bars and type of concrete. But, DON'T WORRY. Seismic Loads for Parking Garage: Seismic loads were calculated based on ASCE7-10 based on the following: Ss 0. Note that you may wish to adjust the cement and sand fraction based on the nature of the coarse aggregate. 1 SCOPE This chapter specifies the minimum design forces including dead load, live load, wind and earthquake loads, miscellaneous loads and their various combinations. 95 m will be used. Low to High labor cost range differences are in part due to variations in work load, job location and seasonal wage rates. Dead load = 2. It also determines the number of stories above the slab with the maximum load. It is only provided there to resist the shear stress and slab cracks that are resulted by the main bar load distribution. The specified jacking stress is converted to load. On average, the material alone costs anywhere between $5. 154=1154 pounds. FIGURE S20-2 IMMEDIATE DEFLECTION BASED ON CRACKED -SECTION DUE TO CHARCTERISTIC LOAD COMBINATION (1. This value is based on the passiveness of the section concrete+steel. Fortunately you don't have to remember the density of gravel - our calculator sets this value for you by default. It is mostly defined slab wise and the cost increases as units on electricity bill increase. Plans shall reference the correct vital soil report information for design: the company and their report. Processing. You'll see both cubic yards and cubic meters in the answer area. Due to its optimised geometry, ALL concrete in the slab an be taken into account in calculating any types of forces. Column loads: Live load: 25 kips Dead load: 25 kips Live load moment = 30 ft-kips Dead load moment = 30 kips Footing information: Footing sizes = 6 ft x 6 ft Requirement: Determine maximum and minimum footing pressure. com! 'Silicon Labs, Inc. 27cal strip exterior perimeter drywall track 18 -12 gage 1-1/4 #4 yel. Multiply total lineal meter of edge beam by the total height of slab by 50mm 3. For example, if you have a slab with a single mat that changes to a double mat where a refridgerator goes, in the area where there is a double mat the load-bearing capacity would be your base psi plus 2,000. This assumes you have the job evenly graded to the right depth, and the grade is well compacted. Select either the Theoretical (required) reinforcement layout located in the RC slabs design or Design > Required reinforcement of RC slabs/walls - options > Calculations to evaluate the reinforcement area for plates or shells. For one sq. Factor of Safety: In the end, after calculating the entire load on a column, please do not forget to add in the factor of safety. Floor finish load Dead Load: Self weight of the slab= Mass / Weight of the slab i. bending moments. , suction) pressures on the roof. 0 psf 7/8" Stucco = 10. Here, "weight" means the downward force the structure exerts on the Earth. APPLICATION OF INFLUENCE SURFACES (i) for a distributed load p(x,y) M(u,v)= Jf p(x,y) m(u,v;x,y) dXdy (ii) for a line load p(s) M(u,v)= !p(s) m(u,v;x,y} ds. Span is less than 7m. Wind uplift loads must be resisted by continuous load path connections to the foundation or until offset by 0. 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. 1 SCOPE This chapter specifies the minimum design forces including dead load, live load, wind and earthquake loads, miscellaneous loads and their various combinations. 069) * 10P f =b 227. We consider a 1 m wide strip from support to support. This tool calculates the total number of ESALs that have or will traverse a pavement for the purposes of pavement analysis or design. Click the button to calculate the volume of concrete and man-hours (not. The dead load due to earth backfilled on top of slabs may be found by multiplying the weight of the soil prism over the slab times a soil structure interaction factor. Lipped channels 150/225/300mm wide x 60mm high with Prefixed reinforcement spanning between RC beams, structural steel beams and/or load bearing brickwork are spaced at 650/725/800 c/c – limiting steel fixing on site; The slab is designed as simply supported or continuous ribs between supports. located in seismic zone III on a site with medium soil. As a result, the live load, dead load and distribution of forces are different. 4kg per sheet V-Ribs 8-each at 19. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. It is only provided there to resist the shear stress and slab cracks that are resulted by the main bar load distribution. 1 Flat slab supported on parallelogram column layout-pan 2. The deflection calculated in this way is found to be more accurate as compared to other available methods. Users can define jacking from either end of the tendon or both. 1 psf times 2 ft on center = 54. Occurs when the center of a load is located on the bisector of the corner angle. Slabs or foundations can be of any shape, and can include edges shaped with circular and spline curves. The total load = 20 + 7. The strength load is limited by a bending stress of 24 ksi (20 ksi for cellular deck). Just multiple 2 x 2 x 4 ÷ 12 and the answer is 1. Then, calculate and enter the linear feet of perimeter of the slab below grade. The Concrete Calculator allows to perform the analysis or design of up to six different section shapes depending on the type of load selected. 4mm - 7 spaces @ 98. If you would like to account for live load reduction you can either reduce the loads manually after importing or manually assign live load reduction parameters in the Live Load Reduction tab of the Span Segment Properties dialog. Live load = 2. We are working on allowing guests to post, sorry for the trouble. Download - Income Tax Calculator - FY 2019-20 (AY 2020-2021). Initially calculate load intensity of slab considering a) Dead Load including self weight / Sqm, weight of floor finishing or roof terracing, weight of plastering, snow load per sqm as applicable as per Loading Codes b) Live load per Sqm. Because the load spreads out, the pressure on the soil is greatest right beneath the footing. atoll south africa is a leading supplier of superior. An engineered raft foundation and flooring system that offers real benefits over a conventional concrete slab! READY Super Slab is an above ground engineered raft foundation system, commonly known as a raft foundation, pod floor, waffle slab or floating foundation, that delivers real benefits over a conventional concrete floor and foundations. Keeping each slab panel itself level in the xy plane, with partial stiffening in the xy plane, and then connecting them say with rigid link ( as with a cranked slab) so as to transfer the lateral load? Or to do something like this would need to have a mesh generated for the slab i. Solid, waffle and banded flat slab systems were analysed. Wind uplift loads must be resisted by continuous load path connections to the foundation or until offset by 0. The diameter and spacing of the top reinforcement bars (bottom if a transfer slab) The depth of the slab The depth of the top and bottom reinforcement cover The characteristic compressive cube strength of the concrete (fcu) The applied design shear load (Vt or Veff) Any design moments applied Plus -where appropriate. Live load = 2. If you know the maximum deflection for the relevant load case, we can check whether it is with in the limit. Permanent loads include the self weight of the slab and an addi-tional dead loadof 2. Calculate cubic yards, cubic feet or cubic meters for landscape material, mulch, land fill, gravel, cement, sand, containers, etc. Reroofing Allowance. I am use to prepare model without including slab and assigning load on each beams by manual calculation of loads coming on each beams due to slab as per one way and two slab distribution rules. BTU Calculator AC BTU Calculator. 70 kN/m² Live Loads:. Ingeniir has a comprehensive library of technical pdfs. We want to calculate the total quantity and cost of pea gravel required. ACI Committee 360. To assist in the evaluation of slabs-on-grade, this module also provides a calculation of the distance that the closest load may be without affecting the calculated slab capacity. 444 ksf Assuming negative moment of 0. As a process, we assume virtual slab and obtain a calculation formula solution by applying it to the calculation formula for the fixed supported all edges. 1, determine the unit dead load for the region that has this construction. The original theory and equations by H. Figure 403. AU - Rostami, Rohollah. Thermal calculations should be produced for structures in contact with hot gases or liquid. gravel prices per tonne in south africa bbfinistrella. 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. 4 or about 0. I have given an example for the calculation of the quantity steel rod in slab below. We are working on allowing guests to post, sorry for the trouble. Thickness of Slab – 150 mm ; One Way Slab Bar Bending Schedule Calculation. The strength load is limited by a bending stress of 24 ksi (20 ksi for cellular deck). Mx -Q-Torsion Design; ACI 350 & ACI224R-01 Rectangular Section Flexural Crack Width Control; ACI 350. We consider a 1 m wide strip from support to support. Calculators » Construction » Concrete Slab Calculator. Contribute to Tongrer/Slab-Thickness-Calculator development by creating an account on GitHub. calculate the weight of the slab. Building Supplies; Input length, width and depth of the area. Minimum values for the live load. 5 kN/m2 (153 kg/m2) in domestic buildings to approximately 1 0 kN/m2 (1053 kg/m2) in heavy industrial areas. Increasing the total weight on the floor to 4,480 pounds, however, results in a live load of 40 psf, which is beyond the floor's load capacity. Corner loading. Firstly, needed informations are girder area, unit weight of concrete and span length to calculate maximum moment due to self weight of girder. 5 psf 1/2" Drywall = 2. 00 per square foot. Let's presume it is supporting 2 loads, the concrete slab above it (dead load) and the service load (live load), i. Information about sand density, common sand types, sand grain sizes, how much a cubic yard of sand. 59 - $117 per square foot*. Suppose we have a covered area is 200o square feet and over there we need to construct the R. Column and beam spacing also affects load capacities. Instead of computing an allowable slab thickness for a target wheel load, the allowable wheel load for a given slab thickness and subgrade modulus needed to be calculated. Concrete is great at compressive loads but not tensile. 5sqft x 50 psf or 975 lbs. Slab Calculation 2 Now try calculating the same slab, with the minimum recommended balanced load of 50% of self-weight. Enter the width, length, thickness, and product density and hit the “Calculate” button to calculate your estimate. This report covers the design of slabs on grade for loads caused by material stored directly on the slab or on storage racks, as well as static and dynamic loads associ-ated with handling equipment and vehicles. Self weight of beams. Note:;User MUST determine slab thickness from Figure 7b, and input the result in cell Slab Thickness, t. Reinforced Concrete Design. Calculate self weight of the concrete slabs; 3. If one does decide to take super-imposed dead load or live load into account, the camber pertaining to this load should not exceed ½”. To assist in the evaluation of slabs-on-grade, this module also provides a calculation of the distance that the closest load may be without affecting the calculated slab capacity. The floor slabs have to be designed to carry either of those loads depending on whichever produces the greater stresses in the part under consideration. buy precast cement pads. Torsional reinforcement should be provided at all corner of discontinuous edges. The interest in this series of tests is axial load transmission through the weaker slab concrete, and no moments are imposed on the slab-column connection. A design engineer must specify the. Engineering Calculators Menu Engineering Analysis Menu. For wind, the analysis of. Given the floor section shown in Figure 3. As the distribution of forces is calculated according to the rigidity, we get a mistake, right at the beginning of the calculation. 3 Shear in concrete slabs 12 2. Explore other calculators related to housing or building, as well as hundreds of other calculators addressing finance, math, fitness, health, and more. If you know the maximum deflection for the relevant load case, we can check whether it is with in the limit. If you are wondering 'how much sand do I need', our free sand calculator is here to do the math for you. Roof slab steel calculation Weight calculation of Steel:-quantity of steel required in roof slab is about 0. Now, assume Finishing load to be 1 kN per meter and superimposed live load to be 2 kN per meter. Load calculation: DL = Dead load (including self-weight) LL = Live load Total load, W. DESIGN PRINCIPLES AND CALCULATIONS -SLAB DESIGN THE HAMBRO SLAB The slab component of the Hambro D500 Composite Floor System behaves as a continuous one-way slab carrying loads transversely to the joists, and often is required to also act as a diaphragm carrying lateral loads to shear walls or other lateral load resisting elements. 3 Intermediate shear failures 18 3. Beam load calculation pdf. Span length, plank thickness and design load requirements will determine the amount of pre-stressing force needed in the plank, from which the engineer can calculate an estimated camber. So we need to calculate the quantity to tell the contractor.