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Total Allowable Axial Load for Short Columns Calculator

Category Engineering ↺
Engineering Civil ↺
Civil Concrete ↺
Concrete Beams, Columns and Other Members Design Methods ↺
Beams-Columns-And-Other-Members-Design-Methods Columns ↺
Columns
✖Gross area of column is the total area enclosed by the column.ⓘ Gross area of column [Ag]
+10%
-10%
✖Compressive strength is is the capacity of a material or structure to withstand loads tending to reduce size, as opposed to which withstands loads tending to elongate.ⓘ Compressive strength [f'c]
+10%
-10%
✖Allowable stress in vertical reinforcement is equal to 40 percent of the minimum yield strength, but not to exceed 30,000 lb/sq.in(207 MPa). ⓘ Allowable stress in vertical reinforcement [f's]
+10%
-10%
✖Area ratio of cross sectional area to gross area is the ratio of cross-sectional area of vertical reinforcing steel to gross area of column.ⓘ Area ratio of cross sectional area to gross area [pg]
+10%
-10%
✖Allowable load is the maximum working load that can be applied on the structure.ⓘ Total Allowable Axial Load for Short Columns [Q a]
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Rudrani Tidke
Cummins College of Engineering for Women (CCEW), Pune
Rudrani Tidke has created this Calculator and 100+ more calculators!
Kethavath Srinath
Osmania University (OU), Hyderabad
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11 Other formulas that you can solve using the same Inputs

Spiral Reinforcement Yield Strength when Spiral Volume to Concrete Core Volume Ratio is Given
Yield strength of spiral reinforcement=0.45*((Gross area of column/Cross sectional area of column)-1)*(Compressive strength/Ratio of spiral to concrete core volume) GO
Spiral Volume to Concrete-Core Volume Ratio
Ratio of spiral to concrete core volume=0.45*((Gross area of column/Cross sectional area of column)-1)*(Compressive strength/Yield strength of spiral reinforcement) GO
Concrete Compressive Strength when Total Allowable Axial Load is Given
Compressive strength=((Allowable Load/Gross area of column)-Allowable stress in vertical reinforcement*Area ratio of cross sectional area to gross area)/0.25 GO
Allowable Stress in Vertical Concrete Reinforcing when Total Allowable Axial Load is Given
Allowable stress in vertical reinforcement=(Allowable Load/Gross area of column-0.25*Compressive strength)/Area ratio of cross sectional area to gross area GO
Gross Cross-Sectional Area of Column when Total Allowable Axial Load is Given
Gross area of column=Allowable Load/(0.25*Compressive strength+Allowable stress in vertical reinforcement*Area ratio of cross sectional area to gross area) GO
Area of the Supporting Concrete when Nominal Bearing Strength is Given
Area of supporting concrete=Area of base plate*((Nominal bearing strength/(Compressive strength*0.85))^2) GO
Area of the Base Plate when Nominal Bearing Strength is Given
Area of base plate=Area of supporting concrete/((Nominal bearing strength/(Compressive strength*0.85))^2) GO
Nominal Bearing Strength of the Concrete
Nominal bearing strength=Compressive strength*0.85*sqrt(Area of supporting concrete/Area of base plate) GO
Required Area of a Base Plate for a Factored Load
Area of base plate=Factored Load/(0.85*Strength reduction factor*Compressive strength) GO
Factored Load when Base Plate Area is Given
Factored Load=Area of base plate*0.85*Strength reduction factor*Compressive strength GO
Allowable Bond Stress for Horizontal Tension Bars of Sizes and Deformations Conforming to ASTM A 408
Allowable bond stress=2.1*sqrt(Compressive strength) GO

3 Other formulas that calculate the same Output

Allowable Unit Load for Bridges using Structural Carbon Steel
Allowable Load=(Yield Strength*Cross sectional area/Factor of safety)/(1+0.25*sec((0.375*pi/180)/Least Radius of Gyration*Length of column*sqrt(Factor of safety*Allowable Load/Modulus Of Elasticity*Cross sectional area))) GO
Allowable Load when Safety Factors are Given
Allowable Load=(Shaft Resistance/Factor of Safety F1)+(Toe Resistance/Factor of Safety F2) GO
Allowable Load when Safety Factor is Given
Allowable Load=(Shaft Resistance+Toe Resistance)/Factor of Safety GO

Total Allowable Axial Load for Short Columns Formula

Allowable Load=Gross area of column*(0.25*Compressive strength+Allowable stress in vertical reinforcement*Area ratio of cross sectional area to gross area)
Q <sub>a</sub>=A<sub>g</sub>*(0.25*f'<sub>c</sub>+f'<sub>s</sub>*p<sub>g</sub>)
More formulas
Gross Cross-Sectional Area of Column when Total Allowable Axial Load is Given GO
Concrete Compressive Strength when Total Allowable Axial Load is Given GO
Allowable Stress in Vertical Concrete Reinforcing when Total Allowable Axial Load is Given GO
Spiral Volume to Concrete-Core Volume Ratio GO
Spiral Reinforcement Yield Strength when Spiral Volume to Concrete Core Volume Ratio is Given GO

What is axial load and radial load?

Load can be applied to bearings in either of two basic directions. Radial loads act at right angles to the shaft (bearing's axis of rotation). Axial (thrust) acts parallel to the axis of rotation.

How to Calculate Total Allowable Axial Load for Short Columns?

Total Allowable Axial Load for Short Columns calculator uses Allowable Load=Gross area of column*(0.25*Compressive strength+Allowable stress in vertical reinforcement*Area ratio of cross sectional area to gross area) to calculate the Allowable Load, The Total Allowable Axial Load for Short Columns formula is defined as the maximum applying a force on a structure directly along an axis of the structure or column. Allowable Load and is denoted by Q a symbol.

How to calculate Total Allowable Axial Load for Short Columns using this online calculator? To use this online calculator for Total Allowable Axial Load for Short Columns, enter Gross area of column (Ag), Compressive strength (f'c), Allowable stress in vertical reinforcement (f's) and Area ratio of cross sectional area to gross area (pg) and hit the calculate button. Here is how the Total Allowable Axial Load for Short Columns calculation can be explained with given input values -> 0.256002 = 8E-06*(0.25*784.531999999945+4000000*8).

FAQ

What is Total Allowable Axial Load for Short Columns?
The Total Allowable Axial Load for Short Columns formula is defined as the maximum applying a force on a structure directly along an axis of the structure or column and is represented as Q a=Ag*(0.25*f'c+f's*pg) or Allowable Load=Gross area of column*(0.25*Compressive strength+Allowable stress in vertical reinforcement*Area ratio of cross sectional area to gross area). Gross area of column is the total area enclosed by the column, Compressive strength is is the capacity of a material or structure to withstand loads tending to reduce size, as opposed to which withstands loads tending to elongate, Allowable stress in vertical reinforcement is equal to 40 percent of the minimum yield strength, but not to exceed 30,000 lb/sq.in(207 MPa). and Area ratio of cross sectional area to gross area is the ratio of cross-sectional area of vertical reinforcing steel to gross area of column.
How to calculate Total Allowable Axial Load for Short Columns?
The Total Allowable Axial Load for Short Columns formula is defined as the maximum applying a force on a structure directly along an axis of the structure or column is calculated using Allowable Load=Gross area of column*(0.25*Compressive strength+Allowable stress in vertical reinforcement*Area ratio of cross sectional area to gross area). To calculate Total Allowable Axial Load for Short Columns, you need Gross area of column (Ag), Compressive strength (f'c), Allowable stress in vertical reinforcement (f's) and Area ratio of cross sectional area to gross area (pg). With our tool, you need to enter the respective value for Gross area of column, Compressive strength, Allowable stress in vertical reinforcement and Area ratio of cross sectional area to gross area 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 Allowable Load?
In this formula, Allowable Load uses Gross area of column, Compressive strength, Allowable stress in vertical reinforcement and Area ratio of cross sectional area to gross area. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Allowable Load=(Shaft Resistance+Toe Resistance)/Factor of Safety
  • Allowable Load=(Shaft Resistance/Factor of Safety F1)+(Toe Resistance/Factor of Safety F2)
  • Allowable Load=(Yield Strength*Cross sectional area/Factor of safety)/(1+0.25*sec((0.375*pi/180)/Least Radius of Gyration*Length of column*sqrt(Factor of safety*Allowable Load/Modulus Of Elasticity*Cross sectional area)))
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