What is the ratio of Grades M10,M15,M20,M25,M30,M35,M40.
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Answer Posted / neeraj bhardwaj
M-10 1:4:8(with aggregate 40mm nominal size)
M-10 1:5:10(with aggregate 20mm nominal size)
M-15 1:2:4
M-20 1:1.5:3
M-15 1:1:2
M-30 & Higher grade design mix followed
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