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how to calculate 1:2:4 ratio concrete cement, sand, metal
and water please give me brief calculation

Answer Posted / venkatesh babu rj

Cement - 1 Part
Sand - 2 part
Aggregate - 4part

Cement = 1440 x 0.9/4
= 324Kg/m3 or 6.48Bags(324/50).
Sand = 1440 x 0.45/2
= 324kg/m3.
Aggregate = (1.25x4x6.48)/35.315
= 0.917Cu.m

Is This Answer Correct ?    4 Yes 3 No



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