what should be the strength of Concrete cube strength for 7
days, if the designed mix is M20?

Answer Posted / n.c.pathan

Concrete does attain strength of about 65% after a period
of 7 days. With good quality of cement nowadays available
we generally get better results. Many a times strength
exceeds 70% of 20N/SQ MM.

Is This Answer Correct ?    27 Yes 10 No



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