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Collapse Upon Wetting

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This chapter presents the modeling of the phenomenon of collapse upon wetting using the effective stress approach established in Chapter 2 and the elastoplastic framework for the volumetric behavior of soils proposed in the previous chapter. Using the probabilistic porous-solid model, Bishop’s parameter  can be obtained to determine the current effective stress. The proposed framework includes the hysteresis of the SWRC and, to some extent, the hydro-mechanical coupling of unsaturated soils. This model is able to reproduce some particularities of the phenomenon of collapse upon wetting that other models cannot simulate. nbsp;

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