Rapid Field Assessment of Strength of Concrete by Accelerated Curing and Schmidt Rebound Hammer
C. A. P. Boundy and G. Hondros
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Tests were made on 6-in. cubes from 17 different batches of concrete. Some of the cubes were cured in water and tested in a standard compression machine. The remaining cubes were stream cured and tested with the rebound hammer prior to being loaded to failure in a compression testing machine. The results suggest that the rebound hammer may be used in conjunction with some method of accelerated curing to provide a rapid and convenient field method for estima-ing the strength and quality of concrete.