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crushing strength of m25 concrete after 7 28 days

Oct 16, 2017018332For 7 days concrete should achieve 65 of its strength, i.e., 16 to 17 Nmm2 at 7 days For 28 days concrete should achieve 99 of its strength, i.e., 25 Nmm2 at 28 days source Increase in strength of concrete with age Hope it helps Also lea

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