Abstract
A realistic and broadly applicable time-dependent constitutive model has been developed for cohesive soils, and a damage law has been incorporated into the time-dependent model to appropriately predict the undrained creep behavior. The physical and mathematical formulation of the model was performed from the point of view that fewer parameters better be employed. The creep behavior predicted using the developed constitutive model were favorably compared with the experimental results including the undrained creep rupture, which is an important observed phenomenon for cohesive soils. Despite the simplicity of the constitutive model, it performs well as long as the time to failure ratio of the creep rupture tests is within the same order of magnitude.
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Kim, D.K. A constitutive model with damage for cohesive soils. KSCE J Civ Eng 8, 513–519 (2004). https://doi.org/10.1007/BF02899578
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DOI: https://doi.org/10.1007/BF02899578