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Calculate Area of Steel for Base of Column in Compression and Development Length of Dowel Bars:

Calculation:

Designer/Checker:

Input:

Metric Units

(Note: All Metric units are converted to English units for the equations below)

Factored vertical load on the column (Pu - lb or N)

Concrete compressive strength of column (f'cc - psi or kPa)

Concrete compressive strength of footing (f'cf - psi or kPa)

Yield strength of steel (fy - psi or kPa)

Area of column base (Ac - sq in or sq cm)

Area of footing (Af - sq in or sq cm)

Output:

Bearing Column, Pbc =

Bearing Footing, Pbf =

Bearing ratio, BR =

Required area of dowel bars, Adb =

*If less than Amin use Amin.

Input:

Diameter of dowel bars used (db - in or cm)

Output:

Length of development of dowel bars, ld =