Abstract
In this study, elastic wave methods are applied to estimate mechanical properties of polymer concrete with liquid resin mainly composed of methyl methacrylate (MMA). In order to investigate hardening processes of MMA polymer concrete, acoustic emission (AE) and ultrasonic testing (UT) are applied. Obtained results demonstrate that elastic waves propagate through the polymer concrete under the hardening process from the fresh state to the hardened state. Propagation characteristics of elastic waves through the polymer concrete reflect remarkably the reaction of MMA, and thus it is shown that the elastic wave methods were effective to estimate the variation of those mechanical properties.