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The ratios of cement to sand to aggregate for the different grades of concrete are as follows. M10 has a ratio of 1:3:6. M15 has a ratio of 1:2:4. M20 has a ratio of 1:1.5:3. M25 has a ratio of 1:1:2, but M30 has no set ratio. It is a designed mixture to achieve the stress tolerance desired.

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9y ago
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14y ago

Generally its 1:1:2

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Q: What is the ratio of cement sand and aggregate in M30 mix of concrete?
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