For M30 grade of concrete if the value of 7 days and 28 days results found differ from the design value(Means instead of 20.1 for 7 days it comes 23.0,25.0 and for 28 days it instead of 30 it comes 35.0,40.0) then the result will failure or not?
(I once wrote a term paper in high school that was suitable for two classes, and was accused of this. Wrong charge, but maybe they should have got me on double-dipping.)
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