M20 Grade ratio?
M30 Grade ratio?
M40 Grade ratio ?

Answer Posted / deepak kumar

There are two types of mixes.
1-Nominal Mix
2-Design Mix.
M20(1:1.5:3)we can do by nominal mix as well as design mix.
But M30 & M40 we only do design mix.

Is This Answer Correct ?    94 Yes 11 No



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