Answer / ahmed

Lap Length Should be 50xD or 40xD You can take
or Els As per Specification

Answer / praksh

Lap Length=48 x D (where d= dia of rod.a)
Ex-10 mm Dia rod=48 x 10 = 480 mm length

Answer / hareesh

Lap Length=50 x Dia

Answer / priyajit behera

When rod dia meter is below 25 mm then 48d and above 25mm dia lap joint are not possible ..there welding must be done

Answer / hari

Lap length varies as the design. normally lap length comes
between 45d to60d

Answer / krishna kumar

horizontal laping 42time of bar .
vertical laping 50 time of bar.

Answer / vijay patel

Lap length depend on grade of concrete and
Dia of steel .normally M- 25 -50*d, and when grade is increase then lap length is decrease.

Answer / amirul islam

lap length depends on dia of bar,49D provided for larger dia ie.20mm,25mm etc.42D provided below 20mm dia bar

Answer / naresh

in compression 39 d &
in tension 50 d

Answer / ashish sati

(a) lap length of bars in flexural tension:
1. 30 * dia. of bar used
2. Ld= dia of bar used * stress in steel/ 4 * design bond
stress

(b) lap length of bars indirect tention:
1. 30 * dia. of bar used
2. 2* Ld

(c) lap length of bars in compression:
1. 24 * dia of bar used
2. Ld

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