Answer / amit mehta

Generally we assume 1 to 5 percentage steel in columns of
concrete.1 to 2 percent in beams,0.7 to 1% in slabs and .5
to .8% in footings.
if concrete is 100 cum.
than in column if we take 1.5% steel it will be 1.5 cum steel.
1.5x7850kg/cm3(density of steel.)
quantity of steel determined.

Answer / haidarali

density of steel is 7850 kg/m3

Answer / maharajan

1.RCC Footings of columns -
0.50%
2.RCC Beams -
1.0%
3. RCC Columns -
1.50%
4.RCC Chujja and sunshade -
0.50%
5.RCC roof slab - 0.80%

Answer / navin morwal

plz follow the types of problems and design of mixing with
quantity survey.

Answer / ehsan

Approx, 1.5 to 2% steel in columns, 1 to 1.5% in beams & 0.7
to 1% in slabs (%age of Conc.)
if concrete is 100 cum in Column.
than we take min 1.5% and max. 2% steel.
It will be 1.5 cum to 2.0 cum steel.
1.5x7850= 11775kg/cm3 (min.)
2.0x7850= 15700kg/cm3 (max.)
(7850 is density of steel per cum)

Answer / afroz

first of all be assure that steel density is 7850kg/m3 not 7850 kg/cm3

Answer / engr. faisal hayat khan

Take 1 kg of steel per square feet area of the roof slab
which is enough and is a rough method normally followed by
me while calculating steel for the roof
While for the columns take one column and calculate it per
wight with the chart given in civil engineering and multiply
it with the no. of columns the steel obtained from one
columns and you will get the steel required in kgs

Answer / uvaraj 9994415504

correct answer roof slab 1.45kg per sq ft

Answer / vasthu nirmal +919840120444

.89 kg/sq ft
or
89 kg/cum

Answer / surajit naha

plz follow the types of problems and design of mixing with
quantity survey.

enerally we assume 1 to 5 percentage steel in columns of
concrete.1 to 2 percent in beams,0.7 to 1% in slabs and .5
to .8% in footings.
if concrete is 100 cum.
than in column if we take 1.5% steel it will be 1.5 cum steel.
1.5x7850kg/cm3(density of steel.)
quantity of steel determined.

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