
Saiwal
Member • Nov 12, 2013
Concrete cube 7 day strength
Hi,
I require a concrete of 40MPa strength for an experiment. for the trial mix i tested cubes after 7 days and got an average strength of 32MPa with a sd of 1, I would like to know if according to IS codes this is adequate. If not what is the desirable strength.
I require a concrete of 40MPa strength for an experiment. for the trial mix i tested cubes after 7 days and got an average strength of 32MPa with a sd of 1, I would like to know if according to IS codes this is adequate. If not what is the desirable strength.