quantity of sand required = 1.5/(sum of proportions) x proportion of sand. e.g. if the nominal mix is of 1:2:4 proportion (cement : sand : coarse aggregate), quantity of sand required per cubic metre of concrete = [math][1.5/(1+2+4)]*2 = 0.43 cum. [/math] Remember, you must account for bulking of sand if …

Apr 10, 2017· Thus, the quantity of cement required for 1 cubic meter of concrete = 0.98/0.1345 = 7.29 bags of cement.The quantities of materials for 1 m3 of concreteproduction can be calculated as follows: The weight of cement required = 7.29 x 50 = 364.5kg.

Hence if you want to produce concrete with 20 mm aggregate then the total volume of cement sand and aggregate you require will be 1.55 cubic meters, and if you want to produce concrete with 40 mm aggregate then the total volume of cement sand and aggregate you require will be 1.52 cubic meters.

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