Answer Posted / selvanathan

in 1:2:4 concrete:

Take try volume : 54%

So, add try volume for 1 cum - concrete = 1.54

Cement volume:

1.54/(1+2+4)= 0.22 cum.
convert to kg. 0.22x1440=316.80 kg
Convert to bags = 316.8 / 50= 6.4 bags

Sand Volume:

0.22x 2 =0.44 cum. (2 is ration of sand)

Aggregate volume:

0.22x 4 =0.88 cum. (4 is ratio of aggregate.)

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