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m20 grate concret mix,if sand&agregate take by wights for 1
bag cement so how much any formula?
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Answer Posted / fezan butt
•Mix ratio for M20 concrete is 1:1.5:3
•compressive strength is 20N/mm2 @ 28 days.
•1 part of cement, 1.5 part of sand, 3 parts of coarse
aggregate.
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