Note: direct solution for t(min) has been rounded up to nearest 1/4" thickness. Load, P, Subgrade Modulus, k, and Contact Area, Ac, result in a #N/A error message Just remember to add some extra concrete to your total order because running short is not an option. AddThis use cookies for handling links to social media. (Florida International University, Miami FL - Fall 2002). Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! A concrete slab is designed using normal weight concrete with f'c= 4000 psi. Note : Pc = Pt/Ne: Mod.

The SAFI CONCRETE CALCULATOR™ is used as a standalone application or in combination with the GSE CONCRETE DESIGN, part of the GSE (General Structural Engineering) software. online free live maximum floor live load capacity is a great engineering tool to help you calculate floor strength use it now. live load for maintenance) likely to come on the concrete slab; 4. Load capacities of simply supported concrete slabs: Imposed loads varies from approximately 1.5 kN/m2 (153 kg/m2) in domestic buildings to approximately 10 kN/m2 (1053 kg/m2) in heavy industrial areas. 3. each side of critical dowel, Ne = 1.0+2*S(1-d(n-1)*s/Le) (where: n = dowel #), Pt = 0.50*P (assumed load transferred across joint), fd(actual) = kc*(Pc*(2+b*z)/(4*b^3*Eb*Ib)), Set Fb(allow) = 3*P*(1+m)/(2*p*t^2)*(LN(Lr/b)+0.6159) (Ref. "Load Testing of Instumented Pavement Sections - Improved Techniques for Appling the Finite Element 500 kg/m2 is typical for office, storage space and similar. Engineering (submitted to MN/DOT, March 24, 2002) w = Maximum Allowable Stationary Live Load. These applications will - due to browser restrictions - send data between your browser and our server. 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.

You can target the Engineering ToolBox by using AdWords Managed Placements. For Slab Subjected to Interior Concentrated Post or Wheel Loading 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. Some of our calculators and applications let you save application data to your local computer. Google use cookies for serving our ads and handling visitor statistics. of Elasticity, Eb = psi: Eb = 29x10^6 (assumed for steel dowels) Inertia/Dowel Bar, Ib = in.^4: Ib = p*db^4/64: Relative Bar Stiffness, b = b = (kc*db/(4*Eb*Ib))^(1/4) fd(actual) =

Easy and convenient to use and of great help to students and professionals. Free online Maximum Floor Live Load Capacity calculator. Calculate self weight of the concrete slabs; 3. 1).

Please read AddThis Privacy for more information. Allowable extreme fiber stress in tension (in psi or kPa), Modulus of subgrade reaction (in pci or MPa/m), (assumed to equal 4000000 psi or 27579028 kPa), Maximum Allowable Stationary Live Load(in psf). Pt = 0.50*P (assumed load transferred across joint) Critical Dowel Load, Pc = lbs. there will be a few situations where certain combinations of the Concentrated Radius of Stiffness, "Lr", is a measure of the stiffness of the slab relative to the foundation (subgrade). 1), Set Fb(allow) = 3*(1+m)*P/(p*(3+m)*t^2)*(LN(Ec*t^3/(100*k*a^4))+3.84-4*m/3+(1+2*m)*a/(2*Lr)) (Ref. 500 kg/m2 is typical for office, storage space and similar. input slab thickness to determine the minimum value if desired.

The Concrete Calculator allows the user to quickly and easily analyze or design reinforced concrete sections without the need to create and analyze a complete structural model (joints, members, load combinations, etc. Add (1)+(2)+(3); 5. ). Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. "Dowel Bar Opimization: Phases I and II - Final Report" - by Max L. Porter (Iowa State University, 2001) Found any bugs in any of our calculators? "Design of Slabs-on-Ground" - ACI 360R-06 - by American Concrete Institute (2006) Knowing the load-bearing capacity of your concrete is essential to make sure that what you plan to have supported by the wall or slab will not be too heavy and cause it to crack and break. 1. Please report us at [email protected], Have Something to say about site, or just want to say hello, get in touch at [email protected], © Copy right 2020, All right reserved. Online calculators and converters have been developed to make calculations easy, these calculators are great tools for mathematical, algebraic, numbers, engineering, physics problems.

Load capacities of simply supported concrete slabs: Imposed loads varies from approximately 1.5 kN/m2 (153 kg/m2) in domestic buildings to approximately 1 0 kN/m2 (1053 kg/m2) in heavy industrial areas. 1), SSet Fb(allow) = 3*(1+m)*P/(p*(3+m)*t^2)*(LN(Ec*t^3/(100*k*a^4))+1.84-4*m/3+(1-m)/2+1.18*(1+2*m)*a/Lr) (Ref. C = 0.80 for granular subbase

1), bo = 4*SQRT(Ac) (assumed shear perimeter), F = 1.5 (assumed friction factor between subgrade and slab), a = 5.5x10^(-6) (assumed thermal expansion coefficient), e = 3.5x10^(-4) (assumed coefficient of shrinkage), Le = 1.0*Lr = applicable dist. Only emails and answers are saved in our archive. of Dowel Suppt., kc = psi: kc = 1.5x10^6 (assumed for concrete) Mod. s = Allowable extreme fiber stress in tension. Concrete Slab Calculator for Slabs, Floors, Footings and Cylinders. 5. While cracks in a slab may not seem like a big deal, the smallest crack represents a large amount of downward pressure that may be crushing pipework beneath the slab. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. We don't save this data. "Slab Thickness Design for Industrial Concrete Floors on Grade" (IS195.01D) - by Robert G. Packard Estimate any other loads (e.g. (Portland Cement Association, 1976) 4. We don't collect information from our users. onlinecalculators.brainmeasures.com. help you calculate floor strength use it now. C = 0.65 for stabilized subbase "Streses and Stains in Rigid Pavements" (Lecture Notes 3) - by Charles Nunoo, Ph.D., P.E. and thus no solution for the minimum slab thickness, t(min), for one or more of the Subbase friction adjustment factor, 'C', is as follows: C = 1.00 for no subbase. Mr = MR*(12*t^2/6)/12000 (per 1' = 12" width), fb1(actual) = 3*P*(1+m)/(2*p*t^2)*(LN(Lr/b)+0.6159) (Ref. ‘Calculations courtesy of Alex Tomanovich, PE ’.

2. online free live maximum floor live load capacity is a great engineering tool to Joint Load, Pt = lbs. Assuming Slab is Reinforced for Shrinkage and Temperature Only, References: 1), Set Fb(allow) = 3*P/t^2*(1-(1.772*a/Lr)^(0.72)) (Ref. For those cases, the user would then manually iterate the Cookies are only used in the browser to improve user experience. Method to Strain Predition in PCC Pavement Structures" - by University of Minnesota, Department of Civil equations listed above. 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. For the design of an actual structure, a competent professional should be consulted.

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