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its just depends on the specific gravity of the steel grade and specification.
Concerning the % of steel reinforcement it depends from an element to another:
1-Shear walls: %reinforcement=(0.% to2%)* Cross sectional area gross; note that whenever the % exceeds the2% its required to change the wall dimensions.
2-RC columns:%reinforcement=(1% to4%)* Cross sectional area gross; note that whenever the % exceeds the4% its required to change the column dimensions.
3-Slabs: minimum steel reinforcement/meter =0.%*slab thickness*1meter
4-Mat Foundation:minimum steel reinforcement/meter =0.%*MAT thickness*1meter
Dear Nisar,
It varies according to the structural design of Reinforcement Steel. so check the design and calculate.
Lumu
