M 5 = 1:5:10 M 7.5 = 1:4:8 M 10 = 1:3:6 M 15 = 1:2:4 M 20 = 1:1.5:3

What is the ratio of Grades M10,M15,M20,M25,M30,M35,M40.

Question Posted / nutheeswaran k

Answer Posted / nutheeswaran k

M 5 = 1:5:10
M 7.5 = 1:4:8
M 10 = 1:3:6
M 15 = 1:2:4
M 20 = 1:1.5:3
M 25 = 1:1:2
M30 and above Grade cf concrete design mix followed

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