M20 Grade ratio?
M30 Grade ratio?
M40 Grade ratio ?
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Answer / r.venkateshwar rao
for M15 - 1:2:4
M20 - 1:1.5;3
M25 - 1:1:2
M30 - design Mix
Is This Answer Correct ? | 266 Yes | 29 No |
Answer / mahendra mohan srivastava
Two tye of mix
1- Nomilal mix
2- Desigen mis
BIS dos not permit that we assume above M25
If we want M25. code suggest us we should go for design mix.
M20 is 1:1.5:3
M25 is 1:1:2
Is This Answer Correct ? | 129 Yes | 19 No |
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 |
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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