8,10,11 Standards require that the calibration of rebound hammers must be checked periodically to ensure they are generating accurate rebound numbers. Forgetting to calibrate a rebound hammer can ...

Combining coring and rebound surveys provides the most efficient and cost-effective method of assessing in situ concrete strength, a critical property for safety and quality control in concrete ...

Studies have also refined sampling protocols and improved calibration procedures ... Schmidt Hammer: A portable device that measures the rebound value (R-value) of a rock surface to assess its ...