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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
- 14 Answers
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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
| Is This Answer Correct ? | 258 Yes | 57 No |
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......
| Is This Answer Correct ? | 43 Yes | 11 No |
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
| Is This Answer Correct ? | 56 Yes | 31 No |
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
| Is This Answer Correct ? | 37 Yes | 14 No |
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.
| Is This Answer Correct ? | 18 Yes | 10 No |
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!
| Is This Answer Correct ? | 12 Yes | 4 No |
Answer / muhammad abdullah
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 |
Answer / deepak
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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