M20 Grade ratio?
M30 Grade ratio?
M40 Grade ratio ?
Answer Posted / vejeydeepak
M 7.5 - 1:4:8
M 10 - 1:3:6
M 15 - 1:2:4
M 20 - 1:1.5:3
M 25 - 1:1.5:2
M 30 design mix
Is This Answer Correct ? | 148 Yes | 74 No |
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