What is proportion of M25,M30,M35,M40 IN TH FORM 1,2,3,4?
Answer Posted / m.s.sathyajeth raja
M10-1:3:6
M15-1:2:4
M20-1:1.5:3
M25-1:1:2
From M30 Onwards the design mix should be adopted at the Site....since it is a Major form of Concrete
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