Column Diameter given Maximum Permissible Eccentricity for Spiral Columns Formula

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Overall depth of column is the diameter of column. Check FAQs
t=eb-0.43pgmD0.14
t - Overall Depth of Column?eb - Maximum Permissible Eccentricity?pg - Area Ratio of Cross Sectional Area to Gross Area?m - Force Ratio of Strengths of Reinforcements?D - Column Diameter?

Column Diameter given Maximum Permissible Eccentricity for Spiral Columns Example

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Here is how the Column Diameter given Maximum Permissible Eccentricity for Spiral Columns equation looks like with Values.

Here is how the Column Diameter given Maximum Permissible Eccentricity for Spiral Columns equation looks like with Units.

Here is how the Column Diameter given Maximum Permissible Eccentricity for Spiral Columns equation looks like.

6.1732Edit=15Edit-0.438.01Edit0.41Edit10.01Edit0.14
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Column Diameter given Maximum Permissible Eccentricity for Spiral Columns Solution

Follow our step by step solution on how to calculate Column Diameter given Maximum Permissible Eccentricity for Spiral Columns?

FIRST Step Consider the formula
t=eb-0.43pgmD0.14
Next Step Substitute values of Variables
t=15m-0.438.010.4110.01m0.14
Next Step Prepare to Evaluate
t=15-0.438.010.4110.010.14
Next Step Evaluate
t=6.17320264285716m
LAST Step Rounding Answer
t=6.1732m

Column Diameter given Maximum Permissible Eccentricity for Spiral Columns Formula Elements

Variables
Overall Depth of Column
Overall depth of column is the diameter of column.
Symbol: t
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Maximum Permissible Eccentricity
Maximum Permissible Eccentricity is the maximum permissible amount by which elliptical orbit deviates from a circle.
Symbol: eb
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Area Ratio of Cross Sectional Area to Gross Area
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.
Symbol: pg
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Force Ratio of Strengths of Reinforcements
Force Ratio of Strengths of Reinforcements is the ratio of yield strength of reinforcing steel to 0.85 times 28 day compressive strength of concrete.
Symbol: m
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Column Diameter
Column Diameter is minimum size of column used in construction irrespective of small building is 9″ X 12″ (225mm X300mm).
Symbol: D
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other formulas in Design Under Axial Compression with Biaxial Bending category

​Go Maximum Permissible Eccentricity for Spiral Columns
eb=0.43pgmD+0.14t
​Go Maximum Permissible Eccentricity for Tied Columns
eb=(0.67pgmD+0.17)d
​Go Circle Diameter given Maximum Permissible Eccentricity for Spiral Columns
D=eb-0.14t0.43pgm
​Go Bending Moment for Spiral Columns
M=0.12AstfyDb

How to Evaluate Column Diameter given Maximum Permissible Eccentricity for Spiral Columns?

Column Diameter given Maximum Permissible Eccentricity for Spiral Columns evaluator uses Overall Depth of Column = (Maximum Permissible Eccentricity-0.43*Area Ratio of Cross Sectional Area to Gross Area*Force Ratio of Strengths of Reinforcements*Column Diameter)/0.14 to evaluate the Overall Depth of Column, The Column Diameter given Maximum Permissible Eccentricity for Spiral Columns formula is defined as the overall depth of column Maximum Permissible Eccentricity for Spiral Columns is Given. Overall Depth of Column is denoted by t symbol.

How to evaluate Column Diameter given Maximum Permissible Eccentricity for Spiral Columns using this online evaluator? To use this online evaluator for Column Diameter given Maximum Permissible Eccentricity for Spiral Columns, enter Maximum Permissible Eccentricity (eb), Area Ratio of Cross Sectional Area to Gross Area (pg), Force Ratio of Strengths of Reinforcements (m) & Column Diameter (D) and hit the calculate button.

FAQs on Column Diameter given Maximum Permissible Eccentricity for Spiral Columns

What is the formula to find Column Diameter given Maximum Permissible Eccentricity for Spiral Columns?
The formula of Column Diameter given Maximum Permissible Eccentricity for Spiral Columns is expressed as Overall Depth of Column = (Maximum Permissible Eccentricity-0.43*Area Ratio of Cross Sectional Area to Gross Area*Force Ratio of Strengths of Reinforcements*Column Diameter)/0.14. Here is an example- 8.635877 = (15-0.43*8.01*0.41*10.01)/0.14.
How to calculate Column Diameter given Maximum Permissible Eccentricity for Spiral Columns?
With Maximum Permissible Eccentricity (eb), Area Ratio of Cross Sectional Area to Gross Area (pg), Force Ratio of Strengths of Reinforcements (m) & Column Diameter (D) we can find Column Diameter given Maximum Permissible Eccentricity for Spiral Columns using the formula - Overall Depth of Column = (Maximum Permissible Eccentricity-0.43*Area Ratio of Cross Sectional Area to Gross Area*Force Ratio of Strengths of Reinforcements*Column Diameter)/0.14.
Can the Column Diameter given Maximum Permissible Eccentricity for Spiral Columns be negative?
No, the Column Diameter given Maximum Permissible Eccentricity for Spiral Columns, measured in Length cannot be negative.
Which unit is used to measure Column Diameter given Maximum Permissible Eccentricity for Spiral Columns?
Column Diameter given Maximum Permissible Eccentricity for Spiral Columns is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Column Diameter given Maximum Permissible Eccentricity for Spiral Columns can be measured.
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