Recent content by ujwalmandal

Grading of aggerates are often decided based upon mix design to achieve a particular strength of concrete. A graded aggregate have different sized particles with suitable proportion so that the void becomes less. Whether a single sized aggregates contain all the particle of same size. This have...

Provide adequate cover to the reinforcement. Follow any standard code like IS 456 there are such criteria of adequate cover for durability aspect. in case of chemical exposure try to adopt sulphate resisting cement. any underground structure should have a cover of at least 75 mm.

I need to design this type of U shaped R.C. channel section for drainage channel, base of which is subjected to uplift pressure and side wall of which is subjected to earth pressure. can anybody tell me please how to do that??