Determining the compressive strength of concrete

Reference no: EM131271673

1. List four nondestructive test method for the evaluation of concrete quality. Which one can be used as a direct substitute for determining the compressive strength of concrete?

2. What are the principles behind the following test procedures: Schmidt hammer test, Windsor probe test, pullout test, pulse velocity test? Explain which you would recommend for deciding the formwork removal time.

Reference no: EM131271673

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