Abstract

This paper presents the results of an experimental investigation of consolidation-induced solute transport. Diffusion and large strain consolidation tests were conducted on composite specimens of kaolinite slurry consisting of an upper uncontaminated layer and a lower layer contaminated with potassium bromide. Solute breakthrough curves and final concentration profiles indicate that both diffusion and consolidation-induced advection can make important contributions to solute transport and that faster consolidation can increase the rate of solute mass outflow. The results of this study indicate that transient advection effects should be considered for transport analyses involving the large strain consolidation of soft contaminated clays.

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