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Axial Load for Spiral Columns Calculator

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✖Total area is the sum of all areas of of longitudinal reinforcement.ⓘ Total area [Ast]
+10%
-10%
✖Yield strength of reinforcement is stress at which a predetermined amount of permanent deformation occurs.ⓘ yield strength of reinforcement [fy
+10%
-10%
✖Diameter of reinforcement is the diameter of circle through reinforcement.ⓘ Diameter of reinforcement [Ds]
+10%
-10%
✖The Bending moment is the reaction induced in a structural element when an external force or moment is applied to the element, causing the element to bend.ⓘ Axial Load for Spiral Columns [M]
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Ishita Goyal
Meerut Institute of Engineering and Technology (MIET), Meerut
Ishita Goyal has created this Calculator and 100+ more calculators!
Himanshi Sharma
Bhilai Institute of Technology (BIT), Raipur
Himanshi Sharma has verified this Calculator and 500+ more calculators!

11 Other formulas that you can solve using the same Inputs

Ultimate Strength for Short, Circular Members when Controlled by Tension
Axial Load Capacity=0.85*28 Day Compressive Strength of Concrete*(Overall diameter of section^2)*Capacity reduction factor*(sqrt((((0.85*Eccentricity/Overall diameter of section)-0.38)^2)+(Area ratio of gross area to steel area*Force ratio of strengths of reinforcements*Diameter of reinforcement/(2.5*Overall diameter of section)))-((0.85*Eccentricity/Overall diameter of section)-0.38)) GO
Ultimate Strength for Short, Square Members when Controlled by Tension
Axial Load Capacity=0.85*Width of compression face*Depth of column*28 Day Compressive Strength of Concrete*Capacity reduction factor*((sqrt((((Eccentricity/Depth of column)-0.5)^2)+(0.67*(Diameter of reinforcement/Depth of column)*Area ratio of gross area to steel area*Force ratio of strengths of reinforcements)))-((Eccentricity/Depth of column)-0.5)) GO
Ultimate Strength for Short, Circular Members when Governed by Compression
Axial Load Capacity=Capacity reduction factor*((Area of steel reinforcement*Yield strength of reinforcing steel/((3*Eccentricity/Diameter of reinforcement)+1))+(Gross area*28 Day Compressive Strength of Concrete/(9.6*Diameter at eccentricity/((0.8*Overall diameter of section+0.67*Diameter of reinforcement)^2)+1.18))) GO
Ultimate Strength for Short, Square Members when Governed by Compression
Axial Load Capacity=Capacity reduction factor*((Area of steel reinforcement*Yield strength of reinforcing steel/((3*Eccentricity/Diameter of reinforcement)+1))+(Gross area*28 Day Compressive Strength of Concrete/((12*Depth of column*Eccentricity/((Depth of column+0.67*Diameter of reinforcement)^2))+1.18))) GO
Bending-Moment Capacity of Ultimate Strength when Beam Width is Given
Bending moment of considered section=0.90*(Area of steel required*yield strength of reinforcement*Centroidal distance of tension reinforcement*(1-(0.59*((Tension reinforcement ratio*yield strength of reinforcement))/28 Day Compressive Strength of Concrete))) GO
Bending-Moment Capacity of Ultimate Strength when Area of Tension Reinforcement is Given
Bending moment of considered section=0.90*(Area of steel required*yield strength of reinforcement*(Centroidal distance of tension reinforcement-(Depth of Rectangular Stress Distribution/2))) GO
Tension Reinforcement Area when Axial Load for Tied Columns is Given
area of tension reinforcement=(Bending moment)/(0.40*yield strength of reinforcement*(Distance from Compression to Tensile Reinforcement-Distance from Compression to Centroid Reinforcment)) GO
Axial Load for Tied Columns
Bending moment=0.40*area of tension reinforcement*yield strength of reinforcement*(Distance from Compression to Tensile Reinforcement-Distance from Compression to Centroid Reinforcment) GO
Area of Steel Required in Vertical Stirrups
Area of steel required=(Nominal shear strength by reinforcement*Stirrup Spacing)/(yield strength of reinforcement*Centroidal distance of tension reinforcement) GO
Reinforcement Yield Strength when Axial Load for Spiral Columns is Given
Yield strength of reinforcing steel=moment/(0.12*Total area*Diameter ) GO
Circle Diameter when Axial Load for Spiral Columns is Given
Diameter =moment/(0.12*Total area*Yield strength of reinforcing steel) GO

11 Other formulas that calculate the same Output

Bending moment at a distance x from end A
Bending moment=((Load per unit length*(Length of Shaft^2))/12)+((Load per unit length*(Distance of small section of shaft from end A^2))/2)-((Load per unit length*Length of Shaft*Distance of small section of shaft from end A)/2) GO
Total Bending Moment when Unit Stress in Compressive Reinforcing Steel is Given
Bending moment=Moment of Inertia Transformed Beam*Unit Stress in Compressive Reinforcing Steel/(2*Elasticity Ratio of Steel to Concrete*Distance Neutral to Compressive Reinforcing Steel) GO
Axial Load for Tied Columns
Bending moment=0.40*area of tension reinforcement*yield strength of reinforcement*(Distance from Compression to Tensile Reinforcement-Distance from Compression to Centroid Reinforcment) GO
Maximum bending moment at a distance x from end A
Bending moment=((Load per unit length*(Distance of small section of shaft from end A^2))/2)-((Load per unit length*Length of Shaft*Distance of small section of shaft from end A)/2) GO
Total Bending Moment when Unit Stress in Tensile Reinforcing Steel is Given
Bending moment=Unit Stress in tensile Reinforcing Steel*Moment of Inertia Transformed Beam/(Elasticity Ratio of Steel to Concrete*Distance Neutral to Tensile Reinforcing Steel) GO
Bending Moment when Cross-Sectional Area of Compressive Reinforcing is Given
Bending moment=(Elasticity Ratio of Steel to Concrete*Compressive Stress*Depth of the Beam*Area of Compressive Reinforcement)+Bending Moment Tensile Reinforcing GO
Total Bending Moment when Unit Stress in Extreme Fiber of Concrete is Given
Bending moment=Unit Stress in Fiber of Concrete*Moment of Inertia Transformed Beam/Distance Neutral to face of Concrete GO
Bending Moment when Strain Energy in Bending is Given
Bending moment=sqrt(Strain Energy*(2*Modulus Of Elasticity*Moment of Inertia)/Length) GO
Bending Moment when Moment Resisting Capacity of Compressive Steel and Concrete is Given
Bending moment=moment resistance compressive steel+Moment Resistance of Concrete GO
Bending Moment when Total Cross-Sectional Area of Tensile Reinforcing is Given
Bending moment=Cross sectional area*7*Reinforcement Stress*Depth of the Beam/8 GO
Bending Moment when Stress in Concrete is Given
Bending moment=(Stress*Ratio k*Ratio j*Beam Width*Depth of the Beam^2)/2 GO

Axial Load for Spiral Columns Formula

Bending moment=0.12*Total area*yield strength of reinforcement*Diameter of reinforcement
M=0.12*A<sub>st</sub>*f<sub>y</sub>*D<sub>s</sub>
More formulas
Maximum Permissible Eccentricity for Spiral Columns GO
Maximum Permissible Eccentricity for Tied Columns GO
Circle Diameter when Maximum Permissible Eccentricity for Spiral Columns is Given GO
Column Diameter when Maximum Permissible Eccentricity for Spiral Columns is Given GO
Circle Diameter when Axial Load for Spiral Columns is Given GO
Reinforcement Yield Strength when Axial Load for Spiral Columns is Given GO
Longitudinal Reinforcement Area when Axial Load for Spiral Columns is Given GO
Reinforcement Yield Strength when Axial Load for Tied Columns is Given GO
Tension Reinforcement Area when Axial Load for Tied Columns is Given GO
Axial Load for Tied Columns GO
Axial Moment at Balanced Condition GO
Axial Load at Balanced Condition GO

What are spiral columns?

Spiral columns are those where the main longitudinal parts are enclosed within closely spaced any continuously wound spiral reinforcement (circular, square, octagonal sections).

How to Calculate Axial Load for Spiral Columns?

Axial Load for Spiral Columns calculator uses Bending moment=0.12*Total area*yield strength of reinforcement*Diameter of reinforcement to calculate the Bending moment, The Axial Load for Spiral Columns is defined as the load acting along the longitudinal axis or centroid of the column section. Bending moment and is denoted by M symbol.

How to calculate Axial Load for Spiral Columns using this online calculator? To use this online calculator for Axial Load for Spiral Columns, enter Total area (Ast), yield strength of reinforcement (fy and Diameter of reinforcement (Ds) and hit the calculate button. Here is how the Axial Load for Spiral Columns calculation can be explained with given input values -> 7.680E+7 = 0.12*8*10000000*8.

FAQ

What is Axial Load for Spiral Columns?
The Axial Load for Spiral Columns is defined as the load acting along the longitudinal axis or centroid of the column section and is represented as M=0.12*Ast*fys or Bending moment=0.12*Total area*yield strength of reinforcement*Diameter of reinforcement. Total area is the sum of all areas of of longitudinal reinforcement, Yield strength of reinforcement is stress at which a predetermined amount of permanent deformation occurs and Diameter of reinforcement is the diameter of circle through reinforcement.
How to calculate Axial Load for Spiral Columns?
The Axial Load for Spiral Columns is defined as the load acting along the longitudinal axis or centroid of the column section is calculated using Bending moment=0.12*Total area*yield strength of reinforcement*Diameter of reinforcement. To calculate Axial Load for Spiral Columns, you need Total area (Ast), yield strength of reinforcement (fy and Diameter of reinforcement (Ds). With our tool, you need to enter the respective value for Total area, yield strength of reinforcement and Diameter of reinforcement 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 Bending moment?
In this formula, Bending moment uses Total area, yield strength of reinforcement and Diameter of reinforcement. We can use 11 other way(s) to calculate the same, which is/are as follows -
  • Bending moment=sqrt(Strain Energy*(2*Modulus Of Elasticity*Moment of Inertia)/Length)
  • Bending moment=(Stress*Ratio k*Ratio j*Beam Width*Depth of the Beam^2)/2
  • Bending moment=Cross sectional area*7*Reinforcement Stress*Depth of the Beam/8
  • Bending moment=(Elasticity Ratio of Steel to Concrete*Compressive Stress*Depth of the Beam*Area of Compressive Reinforcement)+Bending Moment Tensile Reinforcing
  • Bending moment=Unit Stress in tensile Reinforcing Steel*Moment of Inertia Transformed Beam/(Elasticity Ratio of Steel to Concrete*Distance Neutral to Tensile Reinforcing Steel)
  • Bending moment=Moment of Inertia Transformed Beam*Unit Stress in Compressive Reinforcing Steel/(2*Elasticity Ratio of Steel to Concrete*Distance Neutral to Compressive Reinforcing Steel)
  • Bending moment=Unit Stress in Fiber of Concrete*Moment of Inertia Transformed Beam/Distance Neutral to face of Concrete
  • Bending moment=0.40*area of tension reinforcement*yield strength of reinforcement*(Distance from Compression to Tensile Reinforcement-Distance from Compression to Centroid Reinforcment)
  • Bending moment=((Load per unit length*(Distance of small section of shaft from end A^2))/2)-((Load per unit length*Length of Shaft*Distance of small section of shaft from end A)/2)
  • Bending moment=((Load per unit length*(Length of Shaft^2))/12)+((Load per unit length*(Distance of small section of shaft from end A^2))/2)-((Load per unit length*Length of Shaft*Distance of small section of shaft from end A)/2)
  • Bending moment=moment resistance compressive steel+Moment Resistance of Concrete
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