how to calculate m20 concrete
Calculate Cement Sand Aggregate M20, M15, M10, M5,Concrete mix ratios are prescribed ratio of cement, sand and aggregate to get the desired strength in concrete. The volumetric mix ratio of M20 concrete is 1::3, hence 1 part of cement, part of sand and 3 part of aggregate in volume is needed to prepare M20 grade concrete.M30 Grade of Concrete Mix Design Procedure with OPC 53 Cement,Cement Content for M30 Grade of Concrete Mix Design. Water Cement Ratio: 0.38. Hence Cement content : 140.0 / 0.38 = 368.42 Kg. Say: 368 Kg. Hence Cement Content: 368 Kg. The proportion of Coarse and fine aggregate will be the same. Hence Coarse aggregate content for MSA 20 mm: 60%. Sand content can be adopted, Max. : 40%Concrete Mix Ratio, Types, Proportioning of Concrete Mix,,As per IS 456:2000 Standard Concrete grades are M 25, M 30, M 35, M 40, M 45, M 50 and M 55. Design Mix In design mix proportion of cement, coarse aggregate, fine aggregate and water are determined so as to get a mix of given strength, proper workability and durability with the economy.