what is the ratio of M10,M20,M30,M40,M50,M60 grade concrete
Answer Posted / s.gopal
M5 :1::10
M7.5 :1:4:8
M10 :1:3:6
M15 :1:2:4
M20 :1:1.5:3 & above m20 grade,that is Based on design mix.
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