Rithik Agrawal
National Institute of Technology Karnataka (NITK), Surathkal
Rithik Agrawal has created this Calculator and 300+ more calculators!
Shikha Maurya
Indian Institute of Technology (IIT), Bombay
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11 Other formulas that you can solve using the same Inputs

Ultimate Strength for Symmetrical Reinforcement
Axial Load Capacity=0.85*28 Day Compressive Strength of Concrete*Width of compression face*Distance from Compression to Tensile Reinforcement*Capacity reduction factor*((-Area ratio of tensile reinforcement)+1-(Eccentricity by method of frame analysis/Distance from Compression to Tensile Reinforcement)+sqrt(((1-(Eccentricity by method of frame analysis/Distance from Compression to Tensile Reinforcement))^2)+2*Area ratio of tensile reinforcement*((Force ratio of strengths of reinforcements-1)*(1-(Distance from Compression to Centroid Reinforcment/Distance from Compression to Tensile Reinforcement))+(Eccentricity by method of frame analysis/Distance from Compression to Tensile Reinforcement)))) GO
Ultimate Strength for No Compression Reinforcement
Axial Load Capacity=0.85*28 Day Compressive Strength of Concrete*Width of compression face*Distance from Compression to Tensile Reinforcement*Capacity reduction factor*((-Area ratio of tensile reinforcement*Force ratio of strengths of reinforcements)+1-(Eccentricity by method of frame analysis/Distance from Compression to Tensile Reinforcement)+sqrt(((1-(Eccentricity by method of frame analysis/Distance from Compression to Tensile Reinforcement))^2)+2*(Area ratio of tensile reinforcement*Eccentricity by method of frame analysis*Force ratio of strengths of reinforcements/Distance from Compression to Tensile Reinforcement))) GO
Balanced Moment when Φ is Given
Balanced Moment=Resistance Factor*((.85*28 Day Compressive Strength of Concrete*Width of compression face*Depth Rectangular Compressive Stress*(Distance from Compression to Tensile Reinforcement-Distance from Plastic to Tensile Reinforcement-Depth Rectangular Compressive Stress/2))+(Area of Compressive Reinforcement*Yeild Strength of Base Plate*(Distance from Compression to Tensile Reinforcement-Distance from Compression to Centroid Reinforcment-Distance from Plastic to Tensile Reinforcement))+(area of tension reinforcement*Tensile Stress in Steel*Distance from Plastic to Tensile Reinforcement)) GO
Ultimate Strength for Symmetrical Reinforcement in Single Layers
Axial Load Capacity=Capacity reduction factor*((Area of Compressive Reinforcement*Yield strength of reinforcing steel/((Eccentricity/Distance from Compression to Tensile Reinforcement)-Distance from Compression to Centroid Reinforcment+0.5))+(Width of compression face*Depth of column*28 Day Compressive Strength of Concrete/((3*Depth of column*Eccentricity/(Distance from Compression to Tensile Reinforcement^2))+1.18))) GO
Compressive Reinforcement Area when Axial-Load Capacity of Short Rectangular Members is Given
Area of Compressive Reinforcement=((Axial Load Capacity/Resistance Factor)-(.85*28 Day Compressive Strength of Concrete*Width of compression face*Depth Rectangular Compressive Stress)+(area of tension reinforcement*Tensile Stress in Steel))/Yeild Strength of Base Plate GO
Tension Reinforcement Area when Axial-Load Capacity of Short Rectangular Members is Given
area of tension reinforcement=((.85*28 Day Compressive Strength of Concrete*Width of compression face*Depth Rectangular Compressive Stress)+(Area of Compressive Reinforcement*Yeild Strength of Base Plate)-(Axial Load Capacity/Resistance Factor))/Tensile Stress in Steel GO
Tensile Stress in Steel when Axial-Load Capacity of Short Rectangular Members is Given
Tensile Stress in Steel=((.85*28 Day Compressive Strength of Concrete*Width of compression face*Depth Rectangular Compressive Stress)+(Area of Compressive Reinforcement*Yeild Strength of Base Plate)-(Axial Load Capacity/Resistance Factor))/area of tension reinforcement GO
Axial-Load Capacity of Short Rectangular Members
Axial Load Capacity=Resistance Factor*((.85*28 Day Compressive Strength of Concrete*Width of compression face*Depth Rectangular Compressive Stress)+(Area of Compressive Reinforcement*Yeild Strength of Base Plate)-(area of tension reinforcement*Tensile Stress in Steel)) GO
Yield Strength of Reinforcing Steel when Column Ultimate Strength is Given
Yield Strength=(Ultimate strength-0.85*28 Day Compressive Strength of Concrete*(Gross area-Area of Reinforcement))/Area of Reinforcement GO
Column Ultimate Strength with Zero Eccentricity of Load
Ultimate strength=0.85*28 Day Compressive Strength of Concrete*(Gross area-Area of Reinforcement)+Yield Strength*Area of Reinforcement GO
Allowable Bearing Pressure when Full Area of Support is Occupied by Base Plate
Allowable Bearing Pressure=0.35*28 Day Compressive Strength of Concrete GO

3 Other formulas that calculate the same Output

Force in Slab at Maximum Positive Moments when Minimum Number of Connectors for Bridges is Given
Force in Slab=Number of Connectors in Bridges*Reduction Factor*Ultimate Shear Connector Strength-Force in Slab at negative moment point GO
Force in Slab when Number of Connectors in Bridges is Given
Force in Slab=Number of Connectors in Bridges*Reduction Factor*Ultimate Shear Connector Strength GO
Force in Slab when Total Area of Steel Section is Given
Force in Slab=Total Area of Steel Section*yield strength of steel GO

Force in Slab when Effective Concrete Area is Given Formula

Force in Slab=0.85*Concrete Area*28 Day Compressive Strength of Concrete
P=0.85*A<sub>c</sub>*f<sub>c
More formulas
Number of Connectors in Bridges GO
Force in Slab when Number of Connectors in Bridges is Given GO
Reduction Factor when Number of Connectors in Bridges is Given GO
Ultimate Shear Connector Strength when Number of Connectors in Bridges is Given GO
Force in Slab when Total Area of Steel Section is Given GO
Total Area of Steel Section when Force in Slab is Given GO
Steel Yield Strength when Total Area of Steel Section is Given GO
Effective Concrete Area when Force in Slab is Given GO
28-day Compressive Strength of Concrete when Force in Slab is Given GO
Minimum Number of Connectors for Bridges GO
Force in Slab at Maximum Positive Moments when Minimum Number of Connectors for Bridges is Given GO
Force in Slab at Maximum Negative Moments when Minimum Number of Connectors for Bridges is Given GO
Force in Slab at Maximum Negative Moments when Reinforcing Steel Yield Strength is Given GO
Reduction Factor when Minimum Number of Connectors in Bridges is Given GO
Ultimate Shear Connector Strength when Minimum Number of Connectors in Bridges is Given GO
Area of Longitudinal Reinforcing when Force in Slab at Maximum Negative Moments is Given GO
Reinforcing Steel Yield Strength when Force in Slab at Maximum Negative Moments is Given GO

What is Slab and its types ?

A reinforced concrete slab is a planar structural element and is used to provide a flat surface (floors/ceilings) in buildings. On the basis of reinforcement provided, beam support, and the ratio of the spans, slabs are generally classified into one-way slab and two-way slab

How to Calculate Force in Slab when Effective Concrete Area is Given?

Force in Slab when Effective Concrete Area is Given calculator uses Force in Slab=0.85*Concrete Area*28 Day Compressive Strength of Concrete to calculate the Force in Slab, The Force in Slab when Effective Concrete Area is Given formula is defined as force acting at the point of maximum positive moment in the section. Force in Slab and is denoted by P symbol.

How to calculate Force in Slab when Effective Concrete Area is Given using this online calculator? To use this online calculator for Force in Slab when Effective Concrete Area is Given, enter Concrete Area (Ac) and 28 Day Compressive Strength of Concrete (fc) and hit the calculate button. Here is how the Force in Slab when Effective Concrete Area is Given calculation can be explained with given input values -> 850000 = 0.85*10*100000000.

FAQ

What is Force in Slab when Effective Concrete Area is Given?
The Force in Slab when Effective Concrete Area is Given formula is defined as force acting at the point of maximum positive moment in the section and is represented as P=0.85*Ac*fc or Force in Slab=0.85*Concrete Area*28 Day Compressive Strength of Concrete. Concrete Area is area of concrete in design of section and 28 Day Compressive Strength of Concrete is defined as the strength of the concrete after 28 days of using it.
How to calculate Force in Slab when Effective Concrete Area is Given?
The Force in Slab when Effective Concrete Area is Given formula is defined as force acting at the point of maximum positive moment in the section is calculated using Force in Slab=0.85*Concrete Area*28 Day Compressive Strength of Concrete. To calculate Force in Slab when Effective Concrete Area is Given, you need Concrete Area (Ac) and 28 Day Compressive Strength of Concrete (fc). With our tool, you need to enter the respective value for Concrete Area and 28 Day Compressive Strength of Concrete and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Force in Slab?
In this formula, Force in Slab uses Concrete Area and 28 Day Compressive Strength of Concrete. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Force in Slab=Number of Connectors in Bridges*Reduction Factor*Ultimate Shear Connector Strength
  • Force in Slab=Total Area of Steel Section*yield strength of steel
  • Force in Slab=Number of Connectors in Bridges*Reduction Factor*Ultimate Shear Connector Strength-Force in Slab at negative moment point
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