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What is Schmidt Hammer Test for Concrete Strength about?

The document describes the Schmidt hammer test, which is a non-destructive test used to estimate the compressive strength of concrete by measuring rebound number. The rebound number depends on the hardness of the concrete and is measured using a spring-loaded hammer. Ten readings are taken on a 15cm diameter test area and averaged, with the average correlated to compressive strength using a calibration graph specific to the device. Factors like surface finish and moisture content can influence results, so S

Author

farid_miller

Language

EN