how can we calculate cutting length of a column ring
(300 x 600)

Answer Posted / a.bidran

coln size 600x300 dia 8 mm
clear cover is 40 mm
hook is 10 d at 135 deg
=2(520+220) +2x10x8-(3x2d+2x3d)
=1480+160-(48+48)
1544

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