Slab Load Calculation
To insert an area load into 'Slab: 1S4', Click in the "Load Slab Properties" dialog box that appears after step 1. However, since the example bridge does not have a wearing. The load of slab will be distributed to beam in 45 degree dispersion. The given concrete slab calculator is a perfect tool to estimate the amount of materials needed, in particular, it can be used to calculate: the quantity of construction materials like gravel chippings, sand, cement, and required for the mortar;. Calculate self weight of the concrete slabs; 3. The d is the depth of the joist in inches, which you will have to measure. Using the three critical slab locations, what is the total stress (load plus warping) for the 9 inch slab. 8 X 2400 4320 kg 5. Basic Analysis and Load Calculations for Scaffolding Design Published on February 23, (BS and EN standard) are useful for the preparation of preliminary calculation for the scaffolding design. alfanar Precast Double tee slabs can be used for most applications requiring a long span floor or roof system (8 to 32 meters) depending on required load carrying capability. Thus, the calculation for area load for. 3) Meter Rent is Rs 150 for Three Phase Connection. The physics The mechanics of how loads transfer through slabs is basic physics: within elastic limits the deﬂ ection of a slab is proportional to the total applied load on the slab – to carry load it needs to deﬂ ect. This revision extends the full basement calculation procedure to include slab-on-grade and shallow basement heat loss calculations. This calculator is designed specifically for structural steel columns. Resources:. The minimum thickness can be determined by many factors:. mining dump trucks, front loaders, etc. Load-sensitive slabs: Slabs that continuously have to bear heavy loads commonly fall prey to slab and soil settlement. Lastly, needed informations are girder number, span width, sidewalk average thickness and width. In case you are interested to find out the total dead load on the slab , just find out the area of the slab and multiply it by the Dead load per square meter just calculated. Quick Tip;. Pennings, K. If accelerants are called for, you must consult a licensed structural engineer for the load-bearing calculation. The thickness of the slab is taken as 150 mm or 0. 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. 3) Meter Rent is Rs 150 for Three Phase Connection. If anyone can disclose how the fancy software programs do this, I'd love to know. Consumption Calculator; Energy Bill Calculator; Change of Load / Contract Demand ; This will calculate approximate bill for one month * indicates a required. 0 KN/m^2) and the point load (4. The State of Florida is an AA/EEO employer. To obtain slab modulus reports for all slab items, right click anywhere in a scene view and choose Export Eff. Simplified slab design approach for parking garages 309 4. The slab is modelled as a simply supported continuous beam. Dead and live load. The building is Slab load calculations Component Terrace (DL + LL). A slab on grade is used in warmer climates where it is not necessary for the foundation walls to extend down below the frost line. 125 x 1 x 2400 = 300 kg which is equivalent to 3 kN. RE: Load capacity of "typical" Slab on grade rday. "There are loads of useful web calculations on the internet but the ExcelCalcs Repository gives it to me in an Excel format so I can easily copy and integrate them into my own calculations. Based on the test information the design rational shall be established by:. Personal Loans are the best way to meet your expenses during an emergency or fund any unplanned situation in life. Note that it requires the slab to have the moment-rotation relationship previously given: it must be ductile. Chapter 3 - Design Loads for Residential Buildings It should also be noted that the wind load factor of 1. Foundation Design Generalized Design Steps Design of foundations with variable conditions and variable types of foundation structures will be different, but there are steps that are typical to every design, including: 1. The imix XS Calculator is provided to compare the general costs of using standard reinforcement and imix XS for temperature and shrinkage control of concrete footing and slabs. It consists of a concrete slab (typically 4 inches thick) and a grade beam around the entire perimeter and under the load-bearing walls. Freeboard definition is - the distance between the waterline and the main deck or weather deck of a ship or between the level of the water and the upper edge of the side of a small boat. Civil calculator to calculate the required volume of mixer to pour for a concrete slab with the known measurements of width, length and thickness. txt) or read online for free. To investigate and compare the behavior of both structure for the parameters like lateral displacement, inter story. Cantilever longitudinal and transverse reinforcement bars, supporting beam reinforcement details, adjucent slab top & bottom reinforcement. Tolerances for the floors placed on these sus-pended systems are often misunderstood. The use of these calculations confirms acceptance of these terms by their user. Effects of inclusion of boundary condition factor in the proposed hmin equation were studied and justified using SAP2000 software. A short paper ‘Span/depth ratios for concrete beams and slabs’, by Mr Alasdair Beal, published in The Structural Engineer for April 1983, dealt with the treatment of deflection in CPs 110 and 114. This type of two-way slabs is suited for light loads associated with apartment construction and can be economically used for. The slab must be supported by longitudinal girders or stringers with the main slab reinforcement placed perpendicular to the girders or for skews less than or equal to 20º. The original theory and equations by H. SAMPLE DESIGN CALCULATIONS APPENDIX. It is moment on the X-face, i. Punching Shear Basics. The axial load option is beneficial for a nominal moment calculation of a shear wall with axial and moment loads applied to the cross-section. The same thickness of slab will be used, with the same layout Given:-- 4 bays each way 8000 x 7000 Ult. Simple beam - Concentrated load at any point Free calculation, no login required. This result is shown as a range to compensate for unknown factors such as external temperatures and levels of insulation in your home. OF TWO-WAY SLABS BY GERALD C. Dead load (DC1 and DW) design moments are computed as wL 2/10. These loads shall be applicable for the design of buildings. slab Size of the Slab is 3. Subtract the thickness of your slab. Calculators for structural engineers, construction professionals and steel building specifiers. In case you are interested to find out the total dead load on the slab , just find out the area of the slab and multiply it by the Dead load per square meter just calculated. foundation can calculate footing plan dimension and thickness automatically. satisfied without separate checks of the crack widths and deflections at service load levels. The following distributed loads are applied to the beam. 876 = Conversion constant. Compute tributary carriage length and then calculate the track load from the Track Loading Chart. 5m Variable load 4kN/mm2 Slab thickness 175mm Fck 25N/mm2 fyk 500N/mm2 Cover to the reinforcements 25mm Office building Slab loading. This afternoon you saved me hours by downloading a repository calculation rather than authoring my own - thank you!" Mark_Rawlings. For two way slab, Beam at longer side, shift Trapezoidal area to equivalent rectangular area. The load of slab is dispersed on to the supporting beams in accordance with clause 23. Determine Dead Load, Live Load & Total Factored Load (DL, LL & Total Load) 3. Factory space is 10 x 10 m2. Slab Bridge Designer 2. Geo qz factor 17. Assume the thickness of slab (take 4 cm per metre run of the span). These loads are transferred to the. If you have three identical floor slabs separated by rigid props (Figure 3), applying a load to the top slab would cause all three slabs to. Load distributes uniformly. The fire resistance of composite slabs with steel decking, in Europe, is usually defined using simple calculation models provided by the Eurocode EN 1994-1-2. The above equation assumes that the load acting on the slab is unique and no other nearby loads are affecting the calculation. More detailed explanations and examples of reinforced concrete beam and slab design can be found in my text. The "Slab on Grade" worksheet assumes a structurally unreinforced slab, ACI-360"Type B", reinforced only for shrinkage and temperature. The basic concept of its design is to ensure that at service loads, the bending moments and shear. The load of slab will be distributed to beam in 45 degree dispersion of slab plan area. The loads considered for the analysis of box culverts are Dead load, Live load, Soil pressure on side walls, Surcharge due to live load, and Water pressure from inside. For these reasons, a bond-breaking layer is used under the slab when it is supported on a brick wall. Wastage and allowance for the laps have not been considered in this calculator. 2 Load determination-Testing. LIVE LOAD Let us calculate the Live load on structureWe have to refer the International building codes for live loadLive load is as per the usage of the building. In this post, we are going to explain how to calculate steel quantity for the slab? For both one way and two way slab with an example. A short paper ‘Span/depth ratios for concrete beams and slabs’, by Mr Alasdair Beal, published in The Structural Engineer for April 1983, dealt with the treatment of deflection in CPs 110 and 114. floor, composed of slabs and beams extending along column, rows in both directions, Fig. 1- Vertical Loads. Calculation of losses can based on a force percentage, user-defined stress values, or on more detailed calculations. The load is an average value for a typical office space with desks, filing cabinets, aisles, etc. Concrete is ordered by volume in cubic yards. APPENDIX 2: Wind Load Calculations WindCals Basic Wind Speed (V) 90 Fig 6-1 L 50 build. Different Types of concrete slabs in construction:-There are 16 different types of Slabs in Construction. It consists of a concrete slab (typically 4 inches thick) and a grade beam around the entire perimeter and under the load-bearing walls. But this flight has to be provided with adequate support on the landing slabs. 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. For a better distribution of loads, slab should be meshed suitably, and the the dummy beams should also be divided along the relevant joints of the meshed slab. Please Enter Length In Foot. Department of Civil Engineering, University of Moratuwa, Sri Lanka. DEFLECTION CALCULATIONS (from Nilson and Nawy) The deflection of a uniformly loaded flat plate, flat slab, or two-way slab supported by beams on column lines can be calculated by an equivalent frame method that cor-responds with the method for moment analysis. In 1914 Nichols used statics to compute the total moment in a slab panel. The distribution of floor loads on floor beams is based on the geometric configuration of the beams forming the grid. The dead load includes own weight of the slab. pdf), Text File (. The horizontal loads are the earthquake and the wind loads. Wastage and allowance for the laps have not been considered in this calculator. Punching shear is a phenomenon where a concentrated force on a slab causes a shear failure cone that "punches" through. 1 Pavement Types and Structural Components Pavement Flexible Pavement Rigid Pavement)= Asphalt pavement)A layered structure: Base Surface course Subbase Subgrade Pavement Flexible Pavement Rigid. Except for special conditions, and commands will suffice. are constant all over these slabs. CALCULATE VERTICAL LOADS (concluded) 101,228 lbs. Calculate the required diameter of the rope, if its ultimate strength is 30 MPa and a safety factor of 4. Support of slabs on brick walls. That calculation you have there will give you the UDL of the beams own weight. This page looks at the more popular types of reinforcement used with concrete for paving and surfacing, including mesh, rebar and poly-fibres. Heavy arch ribs designed to resist axial force and bending. (As opposed to 50% of DL LL used in the first calculation). Equipment that was bigger than the standard construction size, but not as big as the really big stuff. The overhang of the slab beyond the face of the column is not included in the calculations. As an engineering rule of thumb, wood beams/shelves will sag an additional 50% over time beyond the initial deflection induced by the load. whe els tangent to an interiorjoint where the two these loads because environmentally imposed slab s are tied together are less severe than a free stresses must also be accounted for when ed ge because of the load transfer across the two considering stationary loads. 1 year ago. recommendations for the design, calculation, construction and quality control of stone columns under buildings and sensitive structures version no. Concrete is ordered by volume in cubic yards. You may provide dummy line members (beams) along the slab edge in your ETABS model and apply cladding load to these dummy beams. 1 Help: Example Analysis 7 of 20 FIGURE 5. However, the only accurate method to perform air conditioning sizing in a particular home, is to calculate the actual heating or cooling load on the property. Calculators » Construction » Concrete Slab Calculator. For the designing of the buildings, it is essential to calculate the loads that would be imposed on the beams due to the slabs. SAMPLE DESIGN CALCULATIONS APPENDIX. Loads Slab Bridge Designer 2. The girder, slab, haunch, and exterior diaphragm loads are applied to the noncomposite. 5 kW and is Rs 50 for connected load more than 0. History of two-way slabs The feeling at start that only part of the load to be carried in each direction, so that statics somehow did not apply to slab construction. Machine Foot print is 8 x 12 ft. Footings are often subjected to lateral loads or overturning moments, in addition to vertical loads. The app offers the possibility to digitally represent the standard in connection with various PERI wall formwork systems. The structural calculations included here are for. 2- Slab and girder raft which, is. 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. A reduction factor is applied to the imposed load in accordance with UK NA to BS EN 1991-1-1 clause NA. The purpose of this master’s thesis is to give recommendations on how to perform this distribution and also to investigate the influence of flexural cracking on the redistribution of shear forces. APPENDIX C Slab Calculation 2 Now try calculating the same slab, with the minimum recommended balanced load of 50% of self-weight. They are: Establish finish floor level high enough above the natural ground level so that finish grade around the house can be sloped away for good drainage. Waffle slabs: A two-way slab reinforced by ribs in two-dimensions. command only creates slab calculation axis. The RAPT analysis and design package for reinforced and post-tensioned concrete structural systems has been written and developed by practising structural engineers as an everyday design tool. 3- A load of walls per running meter. For rising-stem valves: Equation (3-1) Where. resistance); live load 3+1 kN/m2, dead load 1. Multiply the number of pods by 1. B is the breadth of the joist, in centimetres. A foundation transfers the load of a structure to the earth and resists loads imposed by the earth. A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft. Subtract the thickness of your slab. This application can be used to make quick parameters calculations of beams and reinforced concrete slab not only in the office but also at the construction site. Second, let’s subject the slab to non-uniform expansion (curvature) of 10 mrad/m. EXAMPLE C1. Help & Settings Printing Help (new window) Copy all diagrams on this page to bottom of page - Make multiple copies to Print or Compare. Slabs shall be designed as simple or continuous spans under uniform loads • Section 5. Slump – Slump is a measure of the consistency of the concrete. The deflection calculated in this way is found to be more accurate as compared to other available methods. Enter 'b1' and 'b2' as 5,000mm and 14,000mm, the horizontal and vertical sides of the slab. we assume each meter of the beam has dimensions of 230 mm x 450 mm excluding slab thickness. A copy of the tables is provided in the Appendix and also. The 'Slab on Grade' worksheet assumes a structurally unreinforced slab, ACI-360'Type B', reinforced only for shrinkage and temperature. 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 EXAMPLE Assume the the thickness of slab as 100 mm. 1 Introduction 6. Concrete Slab Load Capacity - Load capacity of simply supported concrete slabs Concrete Walls - Estimate volume in concrete walls Earth Pressure Acting on Basement Walls - Lateral earth pressure on basement walls. Determine Slab Thickness, t 2. 0, slab is called two-way slab, as shown in the fig. 85 Table 6-4 B 100 build. Calculator offers options for HL-93, KGM45, and a manual selection of live load model. 5 Where, 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. Design drawings are used as a base for computing rebar quantity in different structural elements. From the design criteria, the post-tensioned slab is designed for a uniformly distributed superimposed dead load of 3. The research comprises experiments and calculations of weakened slabs, additionally reinforced and strengthened with CFRP (Carbon Fibres Reinforced Polymers). 27 cubic feet 6 ft. 70 kN/m² Live Loads: TEDDS calculation version 3. Load capacity of "typical" Slab on grade Load capacity of "typical" Slab on grade vger (Electrical) (OP) but I would like to be more informed about the proposed slab as I don't know if they have done calculations or are just using a "rule of thumb" with a safety margin. 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. Load types can be predetermined or user-defined with a customizable automatic load combination generator. Completed slab mass and Site Concrete Quantity based on 3 metre x 9 metre pre-cast elements with 51 kg/m2 total reinforcement. Calculate the thickness of the edge of a concrete slab-on-grade floor required to support a wall load. Thermal Load calculator to determine HVAC sizing [ manual J calculations ]: This calculator will determine the right size Heat & AC system for providing you the best comfort & efficiency. Slab C is supported by beams B1, B2. The live load calculator aims to find maximum live load moment under a choice of truck models. Please use the calculator below to give you some estimate of the concrete amount. Slabs equally reinforced in two normal directions, which fail in a fan mechanism under concentrated load, have been studied and ultimate bearing capacity for this kind of slab has been presented. Glulam is a stress-rated engineered wood beam composed of wood laminations, or "lams", that are bonded together with durable, moisture-resistant adhesives. The loads on building, may be a residential or any type of structure, are mainly classified into vertical and horizontal loads. In the example, the web at the support is 22 in. How do I calculate the load capacity(psf) of a concrete slab if I know the slab dimensions and psi rating? the concrete in question has a psi rating of 3500 psi, thickness of 8 inches, and a modulus of subgrade reaction k=100 lbs per cubic inch. The State of Florida is an AA/EEO employer. Point Loads On 4" Reinforced Concrete Slab The ground under the slab is well drained and was thoroughly compacted by another contractor before pouring. In the example, the web at the support is 22 in. Based on the test information the design rational shall be established by:. The girder, slab, haunch, and exterior diaphragm loads are applied to the noncomposite. It is moment on the X-face, i. 5 times the slab span. Excel Spreadsheet Design for Engineering Calculations I adore creating Excel spreadsheets. ACI design factors for calculating shear and moment in slab Limitation. 500 kg/m 2 is typical for office, storage space and similar. For Waffle Pod accessories 1. d is the slab thickness, inches. From finding the right material and product specifications to helping you create a design that works for your needs, we got you covered. For Beam at shorter side, Shift Triangular area to equivalent rectangular area. 2- Self-weight of beams per running meter. For a more accurate amount you can add the weight of the reinforcement bars - the vol of concrete that has been displaced the load will act as a UDL depending upon if your slab is on the ground or suspended. This particular Building Designer “in a previous life” had been a building contractor. Processing. Because due to the huge difference in lengths, load is not transferred to the shorter beams. This is needed to describe the real behavior of the slab since occur- rence of cracking leads to stress redistributions. Wind and zip code based seismic loads can also be generated through a simple wizard-based input. Beam is the element which transfer slab loads and beam loads to columns. The most common use for a cement slab is as the foundation for a home, and many contractors believe that a cement slab foundation is the most secure option out. The load on the […]. The grid is the horizontal and vertical spacing of your rebar. In this post, we are going to explain how to calculate steel quantity for the slab? For both one way and two way slab with an example. The State of Florida is an AA/EEO employer. 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. RCC Slab Design depends on the on the dimensions of the slab after which the slab is termed as a one-way slab or a two-way slab… In the design of RCC structures, Column Design and Beam Design are to be done before we start with RCC Slab Design… Basic Rules followed in the design of simply supported Slab Thickness of slab. 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. Based on the force imparted to the pavement and the. Case 2: Wheel load a considerable distance from the edges of the slab Case 3: Wheel load at an edge of a slab, but removed from the corner. The ability of the decking to support the construction loads, without the need for temporary propping, generally dictates such spans (longer spans are possible when props are used). Jirsa Research Report 1746-3 Research Project 0-1746 EFFECTS OF OVERLOADS ON EXISTING STRUCTURES conducted for the Texas Department of Transportation in cooperation with the. The width of the beam is 1m and total depth is equal to the thickness of the slab 't'. submitted to the faculty of the SCHOOL OF MINES AND M ETALLURGY OF THE UNIVERSITY OF MISSOURI in partial fulfillment of the work required fo r t h e Degree of MASTER OF SCIENCE IN CIVIL E N G I N E E R I N G Rolla, Missouri Approved by. However, that is not the only way a cement slab can be used on a residential property. 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. These types of loads are typically seismic or wind loads. 70 psi Concrete Flexural Strength F = 600. are constant all over these slabs. Write down the beam strength formula: Maximum load in kilograms = FBd^2 / 9L. As we know that density of Reinforced. Step-4 Determination of factored moment: Moments for beams and one way slab Factored moment coefficient found in ACI Code section 8. Thus, it is important to evaluate the bearing capacity of the slab on grade. After that same method as one way slab example. Load bearing capacity of 2nd floor concrete slab? I just moved into a new shop in Taiwan. This totals. To use the Concrete Slab Calculator, simply enter the width, length, and thickness of your pour. The slab is modelled as a simply supported continuous beam. 1 used for load and resistant factor design is consistent with traditional wind design practice (ASD and LRFD) and has proven adequate in hurricane-prone environments when buildings are properly designed and constructed. Calculate self weight of the concrete slabs; 3. Everything You didn't Learn in College. Load Stress Example Calculations Example 1. Now that you know the approximate weight of the stone you can use it to see if your equipment can handle the load. Factored Vertical Axial Force from building, elevated slab above and self-weight: For example purposes only, assume total live load given accounts for roof, snow, rain, etc. The width of the beam is 1m and total depth is equal to the thickness of the slab 't'. Cantilever Slab Design Calculation & Procedure Design of cantilever slab to Eurocode 2 Span of slab 1. Flat slab subjected to unit line load (kN/m). d is the slab thickness, inches. It is convenient to think of such slabs as consisting of two sets of parallel strips, in each direction and intersecting each other. 85 Table 6-4 B 100 build. Refrigeration Loads Calculation for an Ice Rink – How to Calculate the Refrigeration Loads for an Ice Rink HVAC: Heating, Ventilation & Air-Conditioning / By Suvo / Mechanical Engineering The refrigeration load calculation is affected by the construction of the ice rink at large apart from the surrounding environment. Dead Load = Load per unit area x 1m width. Load Calculation On Column, Beam And Slab - Engineering Discoveries For calculations total load on columns, Beam, Slab we must know about various load coming on the column. The amount of concrete you require will display in cubic metres in the blue box. Load calculation on column, Beam & Slab: For Beam: We adopt the same method of calculations for beam also. Values for the exterior girder have also been included for reference. Calculate dead load acting on the slab. independent of applied load and concrete properties (E c) 2-way slab, 12” thick, spanning 30 feet – ℓ n/30, therefore code deflection criteria are satisfied (remember ℓ n defined as longest span) – Applied load could be 50 psf or 500 psf – Calculations (not required) could show clear non-compliance to Table 9. This calculator gives a general cost analysis. Wheel Load Design Calculation Details Name: Sample Project Date: 5/1/2014 Location: Buffalo Grove Engineer: Mike McPhee Poisson's Ratio = 0. Calculate Code Requirements. Step 2 - find out the grade of concrete. Calculated deflections of the deck as a form shall be based on the load of the concrete as determined by the design slab thickness and the self- weight of the steel deck, uniformly loaded on all spans, shall be limited to the lesser of 1/180 of the clear span or 3/4 inch (19 mm). Treat following design calculations as prelimi-nary estimations. European Commission Joint Research Centre Institute for the Protection and Security of the Citizen Contact information Address: Joint Research Centre, Via Enrico Fermi 2749, TP 480, 21027 Ispra (VA), Italy. minimum slab thickness to support a fork lift (specified below) and storage racks (specified below) throughout. Except for special conditions, and commands will suffice. Calculate curvature due to shrinkage strain 1/rcs (see Panel 2) Calculate total curvature —— = Q—I- — gt,QP ge gss. d is the slab thickness, inches. Now each square meter of the slab would have a self-weight of 0. Refrigeration Loads Calculation for an Ice Rink – How to Calculate the Refrigeration Loads for an Ice Rink HVAC: Heating, Ventilation & Air-Conditioning / By Suvo / Mechanical Engineering The refrigeration load calculation is affected by the construction of the ice rink at large apart from the surrounding environment. These loads shall be applicable for the design of buildings. See Appendix A-100 for detailed snow load calculations. Max cracked deflection for the typical interior slab is 5. In one design methodology, design calculations are based upon the assumption that loads distributed over a contact area on a concrete floor slab area can be "assumed" to be distributed by wheel contact area or base plate contact area through the concrete slab to a largely hypothetical bearing area on the top surface of the insulation. Monolithic or Floating Slab Foundations for Garages, Sheds and Small Barns Donald J. Lateral loads are created by the wind or an earthquake. 1 SCOPE This chapter specifies the minimum design forces including dead load, live load, wind and earthquake loads, miscellaneous loads and their various combinations. These types of loads are typically seismic or wind loads. 2 Load determination-Testing. Reinforced Concrete Effective span Centre-to-centre distance between supports Longer dimension of a rectangular panel of slab for yield line calculations Modular ratio = Es/Ec Design bending moment per unit width of slab modified to account for axial load Moment per unit width about x-axis Moment per unit width about y-axis. Step 2 - find out the grade of concrete. 1 Introduction 6. If accelerants are called for, you must consult a licensed structural engineer for the load-bearing calculation. This calculator is designed specifically for structural steel columns. Other examples of small slabs could be used for Hot Tub pads, Patios, Utility Box pads, etc. 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. They are: Establish finish floor level high enough above the natural ground level so that finish grade around the house can be sloped away for good drainage. The cooling load temperature Chvac 7. 1 INTRODUCTION 2. Here is the traditional way to calculate the load. Calculation of shears, moments and deflections for a simple supported beam, concentrated load at any point metric statics loads forces beam Open calculation sheet. 2) Fixed Charge: This is mostly dependent on the connected load that the utility provides you. Thus, it is important to evaluate the bearing capacity of the slab on grade. wheels tangent to an interiorjoint where the two these loads because environmentally imposed slabs are tied together are less severe than a free stresses must also be accounted for when edge because of the load transfer across the two considering stationary loads. Further, the uppermost slab of the supporting slabs carries approximately 70% of the load during the construction of the slab above. Column A4 Tributary area, A T = 20 x 15 = 300 sq ft Corner column without cantilever slab, Influence area, A. For an accurate estimate in your area, enter your zip code in the calculator above. These charts were used in the reverse direction for the purpose of this analysis. Ribbed slabs, by contrast. A one foot thick wall is initially assumed here, verify later in calculation. To calculate the amount of concrete you need for a slab, you should find the cubic yardage of the area you will be filling. The will give you xx KN/m² load which you have to apply as floor load to the panel. Thus, the calculation for area load for. Load calculation. Multiply the number of pods by 1. The curling stresses are obtained from the Curling Stress Calculation Example. Typically the two uniform loads applied to a slab are a DC2 load for the barrier and DW load for the wearing surface. Reinforced Concrete Effective span Centre-to-centre distance between supports Longer dimension of a rectangular panel of slab for yield line calculations Modular ratio = Es/Ec Design bending moment per unit width of slab modified to account for axial load Moment per unit width about x-axis Moment per unit width about y-axis. The one-way slab is supported on two beams and then to the columns of the building. 5 for Android developed by DevNull. Elevated Slabs - Punching Shear Design. Now that you know the approximate weight of the stone you can use it to see if your equipment can handle the load. CALCULATE VERTICAL LOADS (concluded) 101,228 lbs. Concrete Floor Slab-on-Grade Design Problem 1 - Required concrete thickness: Design a warehouse floor slab for an interior wall load of 1400 plf, stationary live load of 1200 plf, exterior wall load of 1000 plf and an average daily volume of 25-15 kip forklift trucks per day using 4000 psi concrete and a modulus of subgrade reaction, k = 150 pci. SERVICEABILITY OF BEAMS AND ONE-WAY SLABS Slide No. The usual way to do this calculation is to use a 1. 1: Load transfer in (a) One-way slab, (b) Two-way Slab (Nilson). I done some quick calculations and the 1. So part of the load is carried by one set and the remainder by the other. Area:Area of the slab you need to calculate the reinforcement weight. Concrete Weight per Cubic Yard (Solid slab): 4,050 pounds Concrete Weight per Cubic Yard (Broken up): 2,025 pounds. 85 Table 6-4 B 100 build. Loads Slab Bridge Designer 2. 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. In this article, you will learn about how to calculate steel quantity for the slab. Punching shear is a phenomenon where a concentrated force on a slab causes a shear failure cone that "punches" through. Calculation of losses can based on a force percentage, user-defined stress values, or on more detailed calculations. Precast structure under live load: Normally, the design must include an allowance for a live load (LL) at the surface.