Abstract
The increased reclamation in worldwide range induces significant consolidation and subsequent brings about serious settlement in the long term. In order to capture the consolidation characteristics by the surcharge method, a modified oedometer apparatus, which is allowed to measure the K 0 , elastic wave velocity, is employed to clarify the relationship among settlement elastic stiffness and K 0 . The variation of elastic wave velocity including shear wave and compression wave velocity are recorded by bender-extender element. The signal is optimized and the crosstalk is eliminated in the tests. Due to the sensitivity in shear and compression wave velocity (V s and V p ) of the solid and fluid, the ratio of soil particle to water is indicated by variation of V p and V s during the loading. Overall, the preliminary results show that the bender extend element is a sound tool to record the elastic wave velocity and derived elastic stiffness. The mutative K 0 can be monitored obviously.
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