Answer / amit

it depends upon dia of bars...for example HYSD Bars as per IS 2502
     Dia of bar           Hook's length
       upto 8mm              90mm
            10mm             110mm
            12mm             130mm
            16mm             175mm
            20mm             225mm
            25mm             275mm
            32mm             350mm

Answer / shamim ahamed

2*10d

Answer / mukhram singh

it depends upon dia of bars...for Hook's length both side 
2*10*dia.            

Answer / gadhtoda nishant

9d

Answer / murugaperumal

20 d

Answer / paras bhanushali

9d

Answer / v.murugan

20d theroetical 8d practical

which is cost effective Steel Structural or Concrete Structure building?

3 Answers  

I just got a first job in Maharashtra and m a fresher. My task is estimate the cost of excavation of earth with J.C.B. can anyone tell me how to do this??

0 Answers  

Q1) I am having an interview in a construction company for a large sewage project . Since I have not done any such project , there are some queries from my end. Pls. help me to solve them. I will be thankful to you :- a) Normally for large project 400-600 houses & around 1600 peoples , how much dia pipe is used and which type of pipe is used? b) For trenching , I have heard that IS 1200 implies, what are the rules of calculating earthwork in case of depth of 2m or above ? c) To prevent soil to fall when depth of trench is more , what steps are taken and how there qty. is calculated . Like I have heard about timbering . what is this ? d) What are the rules for disposing off the excavated soil ? e) How the pipes that are used are being jointed? f) In case of cleaning on choks , is there any intermediate things provided? g) For foul gases any outlets are provided thru out length of pipeline? h) What is the flow digram like from houses thru small pipe to main pipeline than where main pipeline disposes wastage ? i) Any other thing that has to be kept in mind while calculating earth work for excavation like steps are made and other things? How earthwork is calculated in case of steps ? Pls. explain with a sketch. Regards,

1 Answers  

practically where this hinge and roller condition used

2 Answers  

What is meant by solid geometry?

0 Answers  

suppose that  156000 sq.ft rcc work builtup are.how many % of brick work to rcc work.

0 Answers   Progressive,

what is pH value of sewage&water.if pH value is given then how to calculate H+.

2 Answers  

can u use instead of water milk for concreting

7 Answers  

Highest compressive strength of M15 concrete that can be gained at 28 days

3 Answers  

1) One mason per day how many cu.m work will do as per list given a) Brick work,hollow brick work and cc block work and plastering how many m2 per day 2) one carpenter per day how many m2 will do as well as scaffolding how many m3

12 Answers   Al-Futtaim, Arihant, GS, Gulf, L&T, NCC, Paras Buildtech, PR Constructions, Ramco,

How much actual % of wastage of steel.

5 Answers   NICE,

how to know rcc strength

2 Answers   L&T,