how many kg of aggregate in 1m3 of concrete .
25/04/2013· how we calculate of Sand, cement and aggregate of M20 ratio or .. Ex. 1::3 is the ration of M20 and now how much sand or cement or aggregate we use in this? . For 1m3 of M20 (1::3) . Once the W/C ratio is determined use 186 kg water (for 20mm CA) to find out the qty. of cement per cum of concrete. »More detailed