Chapter 9

Collapse Upon Wetting

Eduardo Rojas

Abstract

This chapter presents the modeling of the phenomenon of collapse upon wetting using the effective stress equation established in Chapter 2 and the elastoplastic framework proposed in the previous chapter. Using the probabilistic porous-solid model, Bishop’s parameter χ 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.

Total Pages: 123-141 (19)

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