calculation of cement bags in 1:2:4 concrete mix

Answer Posted / goran

mix Proportion =(1:2:4)
then (1C+2S+4G)=7C
for one cu.meter of concrete
concrete Gamma =2240 m3/kg
then
7C=2240=
C = 320 kg
for 50 kg bag
C = 6.4 bags per one cu.meter

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