Abstract
In this paper, an advanced critical state compatible Bounding Surface (BS) plasticity model for the cyclic response of clays is developed based on a prior version of a Simple Anisotropic CLAY plasticity (SANICLAY) model. With the proposed model, named SANICLAY-BS and abbreviated as S-BS, it is possible to capture the presence of a cyclic stress threshold above which large strains develop leading to the effective stress failure. In addition, the number of cycles to failure can be controlled for a wide range of applied CSRs. Peculiarity of the formulation is the incorporation of a novel activation mechanism into the destructuration law. Model performances in capturing a cyclic resistance curve are shown against the experimental data of Cloverdale clay.
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Support to conduct this study is provided by the Natural Sciences and Engineering Research Council of Canada (NSERC).
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Palmieri, F., Taiebat, M., Dafalias, Y.F. (2021). An Anisotropic Clay Plasticity Model for the Cyclic Resistance. In: Barla, M., Di Donna, A., Sterpi, D. (eds) Challenges and Innovations in Geomechanics. IACMAG 2021. Lecture Notes in Civil Engineering, vol 125. Springer, Cham. https://doi.org/10.1007/978-3-030-64514-4_51
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DOI: https://doi.org/10.1007/978-3-030-64514-4_51
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