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What is meant by M20 grade of concrete???
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Answer / abha baghel
M is use for mix. 20 is the charactristic compressive
strength of concrete of 15 cm. cubes at 28 days in N/mm^2
| Is This Answer Correct ? | 79 Yes | 6 No |
Answer / ashis malakar
M means mix and 20 means characteristics compressive
strength of concrete after 28 days perfect curing.(in N/mm2)
| Is This Answer Correct ? | 30 Yes | 2 No |
Answer / sneha rai
In the designation of concrete mix M mfm to the mix and the
number to the specified compressive strength of 150 mm size
cube at 28 days, expressed in N/mn?.
| Is This Answer Correct ? | 16 Yes | 6 No |
Answer / k s naveen
M denotes the mix & 20 denotes the charecterestic compressive strength of concrete at the end of 28 days curing is not less than 20N/mm^2
| Is This Answer Correct ? | 10 Yes | 1 No |
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