Question { L&T, 30146 }

What is standard sand?
What is coarse & fine sand?
What is foundation?
What is the seze of hooks in various Reinforced section?
What is the formula of providing clear cover?
What is the basic diff. between working stress & Limit
state design?
What is &cbc and fck?
what are the primary & secondary test of water purification?

Answer

as standard sand we can uesd madras sand it is clean,well
graded,wthite,

sand which in retain on 4.6 mm in called coarsed sand
and retain on 2.36 mm is called fine sand

generaly clear cover is based on max. size of aggregate
which is uesd for concreating work see is 456

ph volue is carried on water

Question { Pratibha Industries, 141280 }

How to convert rainforcement calculation: Running meter to kg

Answer

7850 kg / cum this is the steel wt. or steel will cal.with
d*d/162

Question { Brigade, 13929 }

why we used bricks in brickbat coba? main roll of bricks ?
how it function?

Answer

brickbat is mostly uesd in coba floring becouse brick bat
observar miosture and keep surface clean and dry