Answer / priya

In the construction of RC buildings, due to the
limitations in available length of bars and due to
constraints in construction, there are numerous
occasions when column bars have to be joined. A
simple way of achieving this is by overlapping the two
bars over at least a minimum specified length, called
lap length. The lap length depends on types of
reinforcement and concrete. For ordinary situations, it
is about 50 times bar diameter. Further, IS:13920-1993
prescribes that the lap length be provided ONLY in the
middle half of column and not near its top or bottom

Answer / sjtbehera

Lap length are recquired when distance of structure is
larger than the length of Bars.
It is recquire to bind the two bars so that load can
carried.

Answer / deoghar

Lap length is required for tie up with same bar for continuity of the role or steel.

Lap length : 50d 

Answer / om prakash narayan

Lap Length is 3/2 lap Lenths. Depends on Road
Length.Methods are 3/2. ItS Reqiured is very impotant
Reniforcement continous.

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