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Question
```how much distance
to provide lap
lengths in
footings,plinth
beams, columns,
beams& slabs```
Question Submitted By :: Palavalasa
I also faced this Question!!     Rank Answer Posted By

Re: how much distance to provide lap lengths in footings,plinth beams, columns, beams& slabs
# 1
500d = 500 x dia of bar
ex. 500 x 8 mm = 4000 mm lap distance

 Is This Answer Correct ? 3 Yes 13 No
Sumit Banerjee

Re: how much distance to provide lap lengths in footings,plinth beams, columns, beams& slabs
# 2
In general it is 50 times of dia of bar. It depends the grade
of concrete, if higher grade concrete used the lap length
getting reduced.

 Is This Answer Correct ? 12 Yes 0 No
Mahesh

Re: how much distance to provide lap lengths in footings,plinth beams, columns, beams& slabs
# 3
EX :- InColumns =
L|3 , frds i want

 Is This Answer Correct ? 0 Yes 1 No
Palavalasa Srinu

Re: how much distance to provide lap lengths in footings,plinth beams, columns, beams& slabs
# 4
Sorry for posting wrong answer above.
its 50d = 50 x dia of bar
Ex 50 x 8 mm = 400 mm lap distance

 Is This Answer Correct ? 1 Yes 0 No
Sumit Banerjee

Re: how much distance to provide lap lengths in footings,plinth beams, columns, beams& slabs
# 5
lap length anything above 600 is acceptable
 Is This Answer Correct ? 1 Yes 0 No
Sanketh

Re: how much distance to provide lap lengths in footings,plinth beams, columns, beams& slabs
# 6
ok 5oD is a thumb rule. but it depends grade of concrete
and steel. we take in M25 41d

 Is This Answer Correct ? 1 Yes 0 No
Sjtbehera
[Hari Machines]

Re: how much distance to provide lap lengths in footings,plinth beams, columns, beams& slabs
# 7
formula for calculating the lapping length is :
(Db * Fy)/ 4tbd where ,
Db=dia of bar
Fy = stress in bar
tdb is design bond stress = 0.16 * (Fck)^2/3

 Is This Answer Correct ? 0 Yes 0 No
Prince Malik

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