How we calculate of Sand, cement and aggregate of M20 ratio or .Feb 16, 2012 . Ex. 1:1.5:3 is the ration of M20 and now how much sand or cement or aggregate we use in this . Volume of broken stone Require = (3/5.5) x 1.57 = 0.856 m3 . To calculate proportion of cement, sand, coarse agrregate and water, It required . (for 20mm CA) to find out the qty. of cement per cum of concrete.40 mm aggregate required per cubic meter concrete m20,How much sand and aggregate required 1 cubic meter of M20 grade .For M20 grade concrete mix proportion=1:1.5:3And dry volume factor is 54 percent . 1 cubic feet of concrete requires how much coarse aggregate and fine aggregate .. Ans : Approximately 6 to 6.2 bags of cement per cubic meter of concrete.
40 mm aggregate required per cubic meter concrete m20