The consolidation behavior of dredged material is best determined using a one-dimensional finite strain consolidation theory which requires a full variation void ratio at low and high effective stress levels. The United States Army Corps of Engineers (USACE) suggests using a self-weight consolidation test apparatus comprised of eighteen 6-inch diameter removable rings to obtain a void ratio and effective stress relationship for very low effective stresses. In this study, a simplified laboratory testing apparatus of a self-weight consolidation test has been developed and used to investigate the consolidation behavior of dredged material obtained from the Savannah River. The results suggest that the proposed self-weight consolidation apparatus can be used to obtain a reliable relationship between void ratio and effective stress for materials with high initial void ratios.
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Azimi et al. (2020) studied this question.
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