Answer Posted / arulselvan

for columns 2-3%
for slabs 0.5-1.5%
for beams 1-1.5%
for piles 2-5%..

Example
Lets take example of RCC Column, where reinforcement required is 2 % of concrete volume, weight of steel required will be:
(2/100*1)*7850 (steel density )-per m3 steel-157 kg

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