what should be the strength of Concrete cube strength for 7
days, if the designed mix is M20?
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Answer Posted / viki
generally concrete attains 60-70% of its 28 days strength
in 7 days.After 28 days strength of M20 concrete will be
20N/mm2.so after 7days it would be 12-14 N/mm2.
| Is This Answer Correct ? | 113 Yes | 28 No |
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