Rithik Agrawal
National Institute of Technology Karnataka (NITK), Surathkal
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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

Effective Concrete Area when Force in Slab is Given Formula

Concrete Area=Force in Slab/(0.85*28 Day Compressive Strength of Concrete)
A<sub>c</sub>=P/(0.85*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
Force in Slab when Effective Concrete Area 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 Concrete ?

Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. In the past, lime based cement binders, such as lime putty, were often used but sometimes with other hydraulic cements, such as a calcium aluminate cement or with Portland cement to form Portland cement concrete (named for its visual resemblance to Portland stone)

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

Effective Concrete Area when Force in Slab is Given calculator uses Concrete Area=Force in Slab/(0.85*28 Day Compressive Strength of Concrete) to calculate the Concrete Area, The Effective Concrete Area when Force in Slab is Given formula is defined as amount of concrete surface required to carry a defined load on slab. Concrete Area and is denoted by Ac symbol.

How to calculate Effective Concrete Area when Force in Slab is Given using this online calculator? To use this online calculator for Effective Concrete Area when Force in Slab is Given, enter Force in Slab (P) and 28 Day Compressive Strength of Concrete (fc) and hit the calculate button. Here is how the Effective Concrete Area when Force in Slab is Given calculation can be explained with given input values -> 0.000118 = 10000/(0.85*100000000).

FAQ

What is Effective Concrete Area when Force in Slab is Given?
The Effective Concrete Area when Force in Slab is Given formula is defined as amount of concrete surface required to carry a defined load on slab and is represented as Ac=P/(0.85*fc) or Concrete Area=Force in Slab/(0.85*28 Day Compressive Strength of Concrete). Force in Slab at maximum positive moments and 28 Day Compressive Strength of Concrete is defined as the strength of the concrete after 28 days of using it.
How to calculate Effective Concrete Area when Force in Slab is Given?
The Effective Concrete Area when Force in Slab is Given formula is defined as amount of concrete surface required to carry a defined load on slab is calculated using Concrete Area=Force in Slab/(0.85*28 Day Compressive Strength of Concrete). To calculate Effective Concrete Area when Force in Slab is Given, you need Force in Slab (P) and 28 Day Compressive Strength of Concrete (fc). With our tool, you need to enter the respective value for Force in Slab 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.
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