Answer / saif raza

Generally we are consider 100kgs steel per cum of concrete
for calculation which will give the rough quantity of steel
required for project.

Answer / rajesh kumar jha

Footing - 80 kg/cumec
column - 160 kg/ cumec
Beam. - 110 kg/ cumec
slabe. - 80 kg / cumec
By thomb rule

Answer / cbsrinivas

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

Answer / 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

Answer / rajesh kumar jha

110 kg/m3 of concrete.

Answer / karthi

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

Answer / ram punnam

For Footing & Pedastral 1-1.5% of Volume of Concrete
For Columns 2-2.5% of Volume of Concrete
For plinth beam 1.5%-2% of Volume of Concrete
For Roof Beam 2-2.5% of Volume of Concrete
For roof slab 1-1.5% of Volume of Concrete
For RCC Road 0.5-1% of Volume of Concrete

Answer / utpal panchal

Required steel in concrete is Depend on Types on concreting different structure
For Example,
R.c.c Slab = 0.5 to 1 % steel Required in volume of concrete
R.c.c Beam = 1.8 to 2% % steel Required in volume of concrete
R.c.c column = 2.5 % % steel Required in volume of concrete
R.c.c Road = 0.6 % % steel Required in volume of concrete

(1) Here take Column 1 m3 concrete volume calculation is
(2.5 x 1/100) x 7850 =196.25 kg steel Required
(2) Here take Column 6.90 m3 concrete volume calculation is
( 2.5 x 6.90 /100) x 7850 =1354.12 kg steel Required

Answer / faisal

100kg per mt3
That gives for slab 4 inches about 100sq ft would require 1 quintal..only a thumb rule ...exact depends on design

Answer / fahad

4.5 kg per sqft for max 7 floors resistance bldg

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