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

why 50% more is assumed while calculating dry volume of coarse and fine aggregates in concrete calculations.whether 50% more is correct? How is it decided? whether the same is applicable to cement volume. Also what about cement mortar dr volume? How much more is to be considered for dry volume of mortar.

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0 Answers  

how to find quantity of total concrete, cement bags and sand. for any ratio

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Why is the use of granular sub-base in concrete carriageways not preferred, explain?

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design data for small rc square water tanks

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the capacity of a storage resevoir can be decided by using

2 Answers  

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