What is the quantity of cement, sand, and gravel to be used
in M20 grade of concrete for 1000 x 1000 x 1000 mm of sand
(for cement please mention in kilos, and for sand and
gravel please mention it in CFT)
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Answer Posted / vj
the ratio for M20 1:1.5:3 is basically by weight
if we convert this into by volume then the ratio becomes 1:2:4.
thus for 1 m3 concrete cement = 0.12
sand = 0.22 and aggregate = 0.46 and water 0.18 = .98 m3 (.2 considered to be entrapped air)
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