what"s the formula to find the quantity (consumption) of
cement,sand,aggregate for 1m3(1:2:4)?

Answer Posted / ranjithkumar.t

M15= 1:2:4 (for 1 m^3)

1m^3 = 1440kg, 1 bag = 50 kg

so, 1m^3 bags=1440/50
             = 28.8 bags 

   Cement = 1/7*1.52*28.8
          = 6.25 bags 

   Sand   = 2/7*1.52
          = 0.434 cubic meter

Aggregate = 4/7*1.52
          = 0.868 cubic meter

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