Answer / fayaz

Formula = 24.89 x 4.9 x Quantity of RCC in M3 = Required Mild steel in ton
2204

Answer / sri

practically for slabs steel is caluclated in this manner:
for a given room of size 6.5x5.2,first we provide main reinforcement in shorter span and distribution steel in longer span.so,here we provide main reinforcement in breadth side(i.e... 5.2m side).and distribution in other side.so,we preapre a tabular form for a given spacing and dia of steel.
then we caluclate no of bars.therefore,no.of bars=length/spacing.next bar length is caluclated according to sections given.i mean there will be given different sections for rooms and given a brief diagram for steel placing.so both top mat and bottom mat we caluclate the bar length.for both main and distribution steel.to find qty=bar lengthxno.of barsx((dxd)/162)xunit weight of steel.here note that length and bar lengths are different.length means room size and bar length means length of bar with projections inside the room.
l spacing no dia barlength qty
main steel:
top mat 6.5 0.15 44 10 this is acc to
section
bottom mat 6.5 0.15 44 10 5.2+0.23+0.2
distribution steel:
top mat 5.2 0.2 26 8 6.5+0.23+0.2
bottom mat = 0.2 8 6.5+0.23+0.2
=same as main steel top mat
here 0.23 is wall thickness.so both sides 0.23 means we take one 0.23 and add bending value as 0.2 in most cases

Answer / aman singroha

calculate volume of steel by using formula (3.14*r2*h).
calculate volume of diff. dia bars used in steel and add
them. it will the steel used in the slab.

Answer / mahammad jabeer p

Reinforcement
Plinth Beam 140 Kg / Cum
Footing 75 Kg / Cum
Pedestal 140 Kg / Cum
Square Column 150 Kg / Cum
Circular Column 150 Kg / Cum
Sloped Slab 8 Kg / Sqm
Flat Slab 8 Kg / Sqm
Shade 6Kg / Sqm
Lintels 110 Kg / Cum

Answer / abdul hadi

ast=(0.5fck/fy)(1-root of(1-4.6mu/fck*b*d*d))b*d

Answer / kuldeep bakshi

the qnty of steel will depend upon the design of slab however as a thumb rule 140kg per 100sqft of rcc can be considered keeping in mind rcc beams to be casted monolithically with rcc slab

Answer / raja

100 sq,feet how much steel

Answer / ravichander varma

bar bending schedule is the solution .... and some BBS softwares easing our work..

Answer / arbaz shaikh

can any1 help me out please for quotation of project its 2 basement g +22 at mumbai andheri i can mail u the plan and basic details please help me out i am ready to pay some amount.

Answer / an lb

0.5x20/415-(1-√1-4.6x250.47/20x300x550^2) x300x550

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