How much steel required in 900 square feet slab?

Answer Posted / goutam ray.

0.8%steel
say, slab thk.100mm.
then, volume of conc. 900*4"=297 cft.=8.41 cum.
require of steel: (8.41*.8%)*7850= 528 kg.
say, slab thk.150mm.
then, volume of conc. 900*6"=450 cft.=12.74 cum.
require of steel: (12.74*.8%)*7850= 800 kg.

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