I Have concrete mix with 440kg opc and having 37 mpa
strengh in 7days while in 28 days only 42mpa can anybody
tell me the reason for the same.

Answer Posted / imran

The reason behind this is that
on an average a concrete
attains 70 to 80%
compressive strength in 7
days whereas more than 90%
strength in 28 days

Is This Answer Correct ?    19 Yes 1 No



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