If I want to lab 16 mm dia. bar with 20 mm dia bar with 40D
lap length which dia.should I consider for lapping

Answer Posted / vimalsekar

Laplength varies with repest to the standards we follow
viz., BIS , MORTH and IRC. As per BIS, for 50 % lap (lap
given to alternate bars) with different reinforcement
sizes, lap length shall be 50 D of the smaller size
reinforcement.

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