How we calculate the cement for the M 15 normal concrete with
aggregate size is 40 mm ?
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Answer Posted / hari
for M15 proportion is 1:2:4
dry volume of concrete in 1 cum = 1.54
cement qty - 1.54/(1+2+4)*1 = 0.22cum
Fine Agg - 1.54/(1+2+4)*2 = 0.44cum
coarse Agg - 1.54/(1+2+4)*4 = 0.88 cum
check any proportion - (0.22+0.44+0.88) = 1.54cum
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