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Concrete Mix designs for M15,M20,M25,M30 and M35
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Answer Posted / manoj kumar purohit
M15-1:2:4(nominal mix)
M20-1:1.5:3 (nominal mix)
M25-1:1:2 (nominal mix)
M30&M35-Depend upon mix design (compresive strength of concrete in 28 days it is 28N/mm2 & 4N standard deveation)
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