Answer / jayavijayan k

Lap Splices :
Lap Splices shall not be used for bars larger than 36mm
dia. For larger diameters, bars may be welded. In case
welding is not practicable, lapping of bars larger than
36mm may be permitted, in which case additional spirals
should be provided around the lapped bars.

Lap Length in Tension : lap length including anchorage
value of hooks in flexural tension shall be Ld or 30D
whicever is greater and for direct tension 2Ld or 30D
whichever is greater. The straight length of lap shall not
be less than 200mm, whicever is greater.
*Ld - Development Length

Lap Length in Compression : The lap length in compression
shall be equal to the development length in compression
calculated. But shall not be less than 24D

Bars of Different Diameter : When bars of wo different
diameters are to be spliced, the lap length shall be
calculated on the basis of diameter of the smaller bar.

SOURCE : SP34 Hand Book on Concrete Reinforcing and
Detailing --- Clause 4.4.2 lap splices.

Answer / sjtbehera

it is 50d in thumb rule. but it is diffrent in diffrent
case ex. in compression and tension. lap is not greater
than 36nmm dia.

What is the Systematic Responsibility Site Engineer? Who are the above and under co-oridinating ? What is office & Site co-ordination of Site Engineer?

0 Answers  

---

What is the cement and sand consuption of 1:4 block work

2 Answers  

---

17. What is the thing that can disappoint you while working for a certain employer?

3 Answers   Cadila,

---

primary treatment of sewagw consist of removal of floating materials removal of sand & grit removal of organic materials all above

0 Answers  

---

What are the methods in tiles flooring ? What are the methods in brick work? What are the methods in plastering ? What are the methods in wall tiling?

0 Answers   CECL, HTC,

---

Okay guys I m new here i wanna ask you that ,if i mix two three larger stones (about 20cm dia)in concrete for column or footings what actually happens, how the strength of concrete is reduced? and why it is not allowed?

3 Answers  

---

150mm bricks size how many use 4.14 m3

0 Answers   True Builders,

---

How to calculate the Quantity of Steel for Footing?

0 Answers   L&T,

---

what is the problem not getting 7 days slab cycle in Mivan formwork? what is the output of mivan carpenter per day?

3 Answers   Pegasus, Raheja,

---

what is called super elevation of the road?

1 Answers   PBL,

---

I want to know the material required per Square foot in rcc roof i.e.Steel ,Cement,

0 Answers   Das Infratech,

---

Describe about the Pile test methods, which are used in Industrial & Multistory Buildings in general.

0 Answers  

---