Answer Posted / ravibabu bammidi

Dear

Lap length of bar depends on grade of concrete and design bond. so we get different lap lengths for different grade of concretes which are as follows
(Grade of concrete) Tension Compression
M15 56.4d 45.15
M20 47d 37.6d
M25 40.3d 32.25d
M30 3706d 30.1d

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