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how can we calculate the cutting length of 10,12,16,20 and
so on iron bars for 45 digree and 90 digree bents plz tell
me if there is any formula or tabel to find it

Answers were Sorted based on User's Feedback

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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

 Is This Answer Correct ? 258 Yes 57 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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

For any civil enginering related question Contect me by
mail ID
skatiyar011@yahoo.in

 Is This Answer Correct ? 74 Yes 20 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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......

 Is This Answer Correct ? 43 Yes 11 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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

 Is This Answer Correct ? 56 Yes 31 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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

 Is This Answer Correct ? 37 Yes 14 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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.

 Is This Answer Correct ? 18 Yes 10 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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!

 Is This Answer Correct ? 12 Yes 4 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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

 Is This Answer Correct ? 5 Yes 1 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

To calculate the bending Deduction formula given Below.

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

 Is This Answer Correct ? 13 Yes 11 No

how can we calculate the cutting length of 10,12,16,20 and so on iron bars for 45 digree and 90 di..

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

2) for 45 degree use pythagars theorm

 Is This Answer Correct ? 12 Yes 11 No

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