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Given a selection of 28 day cube test results for concrete placed of design mix C 35 and not all of which are greater then 35 MPa, how does one decide if the concrete in place is satisfactory. Are there a minimum number of cubes that need to be tested to decide that?
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Answer Posted / himanshu
95% of the total no. Of cubes tested mus paas the design limit , in your case its 35 , However 5% can b neglected if more than 5% fail for 35Mpa the the mix i not proper. There is no definite no. Of cubes to b tested.
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