Answer / 03265523

for example if any steel take 1.0 meter cutting length

density= weight / volume

density of steel is 7850kg/m3
volume of steel = areaX length=3.14xD2/4*1.0
weight of steel for 1m is= density X volume
= 3.14D2x1000*7850/1000*1000*1000
=D2/162 (square of D/162)
where D is the dia of bar in mm
for 45degrres =cutting length-1 * dia of bar* no of bends
for 90 degrees= cutting length-2 * dia of bar*no of bends

Answer / sumit

For 45 degree
Cut lenth is = Total lenth - 1*dia of bar* No. of bends

For 90 degree
Cut lenth is = Total lenth - 2*Dia pf bar* No.of.bends

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Answer / bikash bhowmick

for calculation of cutting length deductions for 90 degree bend is......cutting length= total length- 2* dia of bar(upto 20) and 3*dia of bar when bar dia 25 and above......

Answer / dharvinder singh

it is not understanding that we have to deduct one dia for
both 45 degree & 90 degeree . their should be an other
formula

Answer / prabhu

The answer posted should some reference from any of IS code.
It has to be justified.
As i refered code IS 2502 BS 4466 the deductions followed are
0 for 45 bends
d<= 16 dia for 90 bends
2d>=20 dia for 90 bends

Answer / pranjal bokare

there is a formula for finding out the extra length
required for one bent. i.e. 0.42d where d is the effective
depth of the member.

Answer / abhay

The best way to find out the cutting length of bar:
1 Check dia of bend of bar given in specification.
2.follow the formula given in BS 8666:2005 ir IS 2502-1963

this is best
good luck!

Answer / arun

Total Length-2(Elongation)*Dia of Bar*No of Bend

Answer / muhammad abdullah

To calculate the bending Deduction formula given Below.

Bend Deduction = 1.25*Dia of Steel*No of Bend

Answer / deepak

1)for 90 degree bend 3/4of D
D=depth of the structure

2) for 45 degree use pythagars theorm

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