how you calculate the qty. of cement ,sand,aggregate from
proportion 1:2:4 M15
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Answer Posted / sindhumani
To find the individual ratio of materials we have to use one
formula,
Sand = 0.46% of cement
Aggre= 0.92% of cement
For ratio 1:2:4
to find cement qty: (0.46%/2)*1440kg= 331Kg
For ratio 1:3:6
to find cement qty: (0.46%/3)*1440kg= 221Kg
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