plz tell.. how can we find weight(in kg) of 1 cum of m20
mix..? how can we find the ratio of cement sand and
agregate on site i.e if we given some amount of m20 mix
then hw we find the ratio..?
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Answer Posted / bharathan
M20 mix stands for 1:2:4 proportion
1 cm.m of M20 mix contains 1+2+4 = 7 parts, in which
1 part of cement, 2 part of fine aggt & 4 part of Course aggt.
cement req. one meter cubic=1440 kg/cum
cement req M20=1/7*1440=206 Kg
FA = 2*206 =412 Kg
CA = 4*206 =824 Kg
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