DESIGN MIX FOR M20 CONCRETE civilengghub 20:32 Tags: CONCRETE TECHNOLOGY Mix Proportion = 1:2.48:3.55 Cement : 320kg/m3 20mm Jelly : 683 kg/m3 12.5mm Jelly : 455 kg/m3 River send : 794 kg/m3 Total Water :176 kg/m3 Admixture : 0.7% Fresh Concrete Density : 2430 kg/m3
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