Answer Posted / sai sreekanth

the formula for calculating water for m15 grade is
W/C IS 0.5
were w is water content
and c is cement content
the propotion of m15 grade is 1:2:4...for 1 cum
1*1/7 * 1.5 *1440/50
let it be 7 bags then water is 7*50*0.5=7*25=175.......
..........Civil engineer@vision avenues

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