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Question
What is Lap Length??????
 Question Submitted By :: Civil-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
It is used in construction when you are working with
reinforcement steel. when you are at the end of any bar and
it has to be further extended to some more distence then
you are supposed to join it with an other bar (what ever
may be the dia) to this job simply we cannot do it. there
is a design and it depends on the location and design. in
most of the cases it is 50 times the diameter of the bar
which you are laping in some cases it may be 40times the
dia and in some drawings base on the requirementt and
design it will be a standardlength (300mm,400mm soon....)
 
Is This Answer Correct ?    79 Yes 3 No
Venu Gopal
 
Answer
# 2
IN COMPRESSION MEMBER 46D
IN TENSION MEMBER 50D
 
Is This Answer Correct ?    51 Yes 3 No
Maheswaran
 
 
 
Answer
# 3
50xdia 
Is This Answer Correct ?    57 Yes 10 No
Saravanapandi
 
Answer
# 4
Lap length is joining of two bars,this length is depends
upon desgin (some times 50 times of bar).
 
Is This Answer Correct ?    3 Yes 0 No
Aju Kavanattu
 
Answer
# 5
the length of lap joint from joggle joint(where bar is
usually bend for lap) to end of bar is 48 times of diameter
of bar.but due to arises of problems in field is can be
taken as 50 times of diameter of bar.
 
Is This Answer Correct ?    2 Yes 0 No
Mohammed Nadeem
 
Answer
# 6
generally now at Commercial building using

every were r using 50*dia of the bar



some times compression side 45 *dai ofthe bar are used
 
Is This Answer Correct ?    9 Yes 8 No
Benarji
 
Answer
# 7
lap length also depands upon grade of concrete and its genraly use 50 d 
Is This Answer Correct ?    1 Yes 0 No
Neeraj Chauhan
 
Answer
# 8
Its depends upon the design and Load, mostly in field following overlaps are use

48*D
or
50*D
 
Is This Answer Correct ?    2 Yes 2 No
Mohammad Abdullah
 
Answer
# 9
We use Lap in construction work with TMT bars mostly we use
50xd,40xd etc. but we can not decide infect its totally
depend on Design of the building.
 
Is This Answer Correct ?    0 Yes 0 No
Shahnawaz
 
Answer
# 10
dURING STEEL BINDING IN CONSTRUCTION ACTIVITY,AT SOME POINT STEEL BAR END COMES AND WE HAVE TO JOINT AN OTHER STEEL BAAR.How to overlap the steel baars at whic length?after seeing the ACI code ,seeing the dia of the bar,rferences in ACI code we get the formula to find the joint of the two bars(lap length,over lapping) is 50times dia of bar. 
Is This Answer Correct ?    0 Yes 0 No
Engr Ihtesham
 

 
 
 
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