Abstract
Concrete filled steel tube (CFST) column has been used recently in a wide range because of the advantage of both steel and concrete materials. Evaluation and long-term monitoring of concrete compressive strength are not easy to achieve using destructive methods. In this study, CFST column is simulated to evaluate the concrete compressive strength using embedded and mounted piezoceramic sensors to transmit and receive ultrasonic bulk waves. The results showed a significant relationship between concrete compressive strength and the speed of the wave signals. These results can be utilized to characterize the concrete in-situ and monitor its material degradation permanently.
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