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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
Answer
# 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
Answer
# 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
Answer
# 3
EX :- InColumns =
L|3 , frds i want
this type of answer
 
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
Answer
# 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
Answer
# 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
Answer
# 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
Answer
# 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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