how to calculate 1:1.5:3 ratio concrete cement, sand, metal
and water please give me brief calculation
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Answer Posted / devender singh
For M20 Grade concrete the nominal mix is 1:1.5:3.
taking bulkage factor as 1.54,
volume of cement=(1.54*1/5.5)=.28cubic metre=.28*1440=403.2kg=8.06 bags
volume of sand=(1.54*1.5/5.5)=.42 cubic metre=14.83 cft
volume of coarse aggregate=1.54*3/5.5=.84 cubic metre=29.66 cft.
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