Answer / kailash solanki

Generally we take 50times dia. of Bars.

Answer / mayank

30d in tension zone
24d in comp zone.

Answer / ajeet kumar bhatnagar

lapping length considered on type of steel and grade of
concrete. for example if using mild steel and m20 grade
concrete then lap lenth will be more in comparision of tor
HYSD steel fe500 and m40grade concrete.

Answer / suresh

as per is code we keep 38d to 50d otherwise as per drawing

Answer / brajesh kaurav

as per IS 456-2000(for concret structure)code minimum
laplength should be consider is 36d very d is greter dia.of
bar.and also laps will always be Staggered in
height/placement so to say all lapses will not be at one
position/placement.

Answer / muthu krishnan

It considered only depends upon the grade of steel and
tensile strength of the steel.

Answer / milind borkar

50d where d is diameter of bar.

Answer / srinu

Dia of the bar * 50 times
Exmpale:10 dia rod 10*50=500mm=.50 mtr

Answer / s.muthu kumar

50*Dmm

Answer / r.saleemabegum

laplenth 50 times the diameter of the bar.

where lap is provided in colom?

8 Answers  

how much cost of single coat 20mm thick plastering per sqre meter

0 Answers  

what is preposition of M-5 grade

3 Answers   Montag Infrastructure,

What are the grade of steel used in the steel design.?

15 Answers   Engineers India Limited, L&T,

What is the cement and sand content in the mortar used to build 1 sqm of 190x190x390mm hollow and solid blockworks?

2 Answers  

How to calculate quanty of steel in four leg stirrups?

0 Answers   INT,

What is the spacing of chairs in reinforcement steel.If it is written in IS 456:2000 then tell me the page number.

2 Answers  

why do we provide haunches in rcc box or underpasses?

0 Answers  

08. 4 main points about check list for Shuttering works are––– 4 i) ii) iii) iv) 09. 4 main points about check list for Concreting works are––– 4 i) ii) iii) iv) 10. 4 main points about check list for Plaster works are––– 4 i) ii) iii) iv) 11. 4 main points about check list for Brick works are–– – 4 i) ii) iii) iv) 12. 3 main points about Project delaying factors are––– 3 i) ii) iii) 13. Write down 60-grade M.S. deformed bar specification. 3 14. 3000 psi concrete means: 1 15. 4 main points about methods of wastage control are–– – 4 i) ii) iii) iv) 16. 1 main point about reasons for your honesty is : 1 17. Water cement mixing in hopper less mixture machine is better than hopper mixture machine because: 1 18. 2 main points about your role during roof casting are–––– 2 i) ii) 19. a. The weight of 3333m deform bar of 24.5 mm dia is…… 1 b. The weight of 300 rft plain bar of dia 1 is……. 1 20. The types of slumps are––– 3 i) ii) iii) 21. 4 main points about the causes of cylinder failure are––– 2 i) ii) iii) iv) 22. Detection of a beam & a girder are–––– 2 i) ii) 23. Curing is needed for–––– 1 24. The types of slabs in respect of size & shape are––– 5 In respect of size: i) ii) In respect of Shape i) ii) iii) 25. The types of Column in respect of size & shape are–– – 9 In respect of size: i) ii) In respect of Shape: i) ii) iii) iv) v) vi) vii) 26. 3 field tests & 3 Laboratory tests of bricks are––– 6 Field tests: i) ii) iii) Lab test: i) ii) iii) 27. 2 field tests & 1 Laboratory tests of sand are––– 3 Field tests: i) ii) Lab test: i) 28. 1 field tests & 1 Laboratory tests of M.S rod are––– 2 Field tests: i) Lab test: i) 29. a. The % of water absorbs by brick chips: …………… 1 b. The % of water absorbs by Stone chips: …………… 1 30. In respect of design: 5 a. The % of strength gains by concrete in 28 days= b. The % of strength gains by concrete in 14 days= c. The % of strength gains by concrete in 07 days= d. The % of strength gains by concrete in 03 days= e. The % of strength gains by concrete in 28 days without curing =

3 Answers  

can we go for short rcc column without any steel rienfocement carrying truely axial load???

2 Answers  

1) what is the difference between development length & overlap length ? 2) why extras are provided at top and bootom in a beam of slab? 3) why stirrups are provided at 0.3l at supports and 0.4l at center? 4) is column a compression memeber if yes how & beam is which type of memeber?

4 Answers   CDS, HCC, PPL,

14. List 3 of your strongest points as a worker?

2 Answers