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Erschienen in:
2017 | OriginalPaper | Buchkapitel
Modeling Sand Behavior Under Partially Drained Stress Paths
verfasst von : M. S. Yaghtin, A. Lashkari
Erschienen in: Bifurcation and Degradation of Geomaterials with Engineering Applications
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Abstract
Soil behavior is conventionally studied under fully drained or undrained conditions. However, general drainage with complete control on both pore volume and pore water pressure leads to a wide spectrum of behaviors which may not be delimited by drained and undrained ones. Herein, a critical state bounding surface plasticity model is employed to simulate partially drained behavior of sand samples sheared over a wide domain of drainage conditions. Using the concept of loss of uniqueness, onset of instability under partial drainage is studied.