Load carry Capacity of the column

Axial load of column will depend upon the % of reinforcement and column size for various mixes and steel.

For steel grade fy 415

CONCRETE GRADE &Axial Load carrying Capacity in KN (P)

M15 ,P= (2.7205 p + 6) b D/1500

M20, P= (2.7005 p + 8) b D/1500

M25 ,P= (2.6805 p + 10) b D/1500

M30, P= (2.6605 p + 12) b D/1500

M35, P= (2.6405 p + 14) b D/1500

M40, P= (2.6205 p + 16) b D/1500

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For steel grade fy 500

CONCRETE GRADE &Axial Load carrying Capacity in KN (P)

M15 ,P= (3.29 p + 6) b D/1500

M20, P= (3.27 p + 8) b D/1500

M25, P= (3.25 p + 10) b D/1500

M30, P= (3.23 p + 12) b D/1500

M35, P= (3.21 p + 14) b D/1500

M40, P= (3.19 p + 16) b D/1500

For steel grade fy 550

CONCRETE GRADE& Axial Load carrying Capacity in KN (P)

M15, P= (3.625 p + 6) b D/1500

M20, P= (3.605 p + 8) b D/1500

M25, P= (3.585 p + 10) b D/1500

M30, P= (3.565 p + 12) b D/1500

M35, P= (3.545 p + 14) b D/1500

M40, P= (3.525 p + 16) b D/1500

P is Axial Load Carrying capacity of column in KN.

p is steel in percentage say percentage as 1

b is breadth of column in mm

D is depth of column in mm.

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