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M20 Grade ratio?
M30 Grade ratio?
M40 Grade ratio ?
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Answer Posted / shalu verma
THERE ARE TWO TYPES OF MIXES:-
1-NOMINAL MIX
2-DESIGN MIX
1-NOMINAL MIX < M30 -ITS ALSO CALLED NOMINAL CONCRETE
2-DESIGN MIX >= M30 - ITS ALSO CALLED CONTROLLED CONCRETE.
SO, M20 IS A NOMINAL MIX AND ITS RATIO IS 1:1.5:3 AND ITS
STRENGHT IS 20 N/MM2.
M30 & M40 ARE DESIGN MIX AND ITS HAS NOT ANY RATIO THESE
ARE MEASURED BY THERE STRENGHT WHICH ARE 30 N/MM2 AND
40 N/MM2 RESPECTIVLY.
| Is This Answer Correct ? | 9 Yes | 5 No |
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