Can we use Polystyrene as a Bitumen modifier !! if so is it a
good MS research topic ? and what type of laboratory tests
will be conducted during Research work ??

What is the proportioning by weight of 1:2:3 concrete mix
design of cement, sand, gravel, and water in metric for a 3000
PSI concrete strength and a target slump of 75-100mm?

If a slab concrete is placed with M-20 grade concrete,
actually it has to be placed with M-30. what are the
rectifications / measures to be taken after concreting is done.

1) one brass of stone aggregate 20mm is good for how much sq.ft. work of concrete beam and 2) one brass of river sand is good for how much sq.ft. work of concrete beam . if ration is 1:4:6. at the same time how many bags of cement will be required for same work if each bag is of 50 kgs . please help me.

197

Cut Linten (RCC-1:2:4)on 10" wall - what should be the
width and hight of cut Linten? Secondly, 1 X 1.6 foot,4"
thick window sun/rain shed (Chajja)should consume
steel,Cement, sand and Stone chips?

166

What is the difference between the concrete mix design
carried out by IS10262 and by ACI method ?

please send latest placement papers of hpcl officers
trainee test. i will be very thankful to you.

348

what is your role of in previous company as a construction manager

138

Design a cantilever type retaining wall to retain sand for
4m above the ground. The sand fall slopes at the rate of 1
vertical to 2 horizontal. The weight of sand is 18000 N/m3,
the angle of repose being 30. The safe bearing capacity of
the soil is 200 kn/m2 at 1/25m below the ground level. Use
m 15 concrete mix.

284

How to calculate the quantity of
materials for M20 grade concrete