Answer Posted / kamlesh

For M20 : Dry Bulk density of Fine Aggregate = 1728 Kg/Cu.M.
For Course Aggregate = 1638 Kg/Cu.M.
ie F.A. = 0.42*1728 = 725.76 Kg/Cu.m.
C.A. = 0.84*1638 = 1375.92 Kg/Cu.M.
Cement = 7*50 = 350.00 Kg/Cu.M.
Water = 0.45*350 = 157.50 Kg/Cu.M.
Addmixure = = 1.60 Kg/Cu.M.
So Total of all = 725.76+1375.92+350+157.50+1.60 = 2610.78 Kg/Cu.M.

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