A Unified Elastoplastic Model of Unsaturated Soils Considering Capillary Hysteresis

Figure 6

Influence of wetting-drying cycle on isotropic compression. It is assumed here that 𝑏⁰_DR=290kPa, 𝑏⁰_WT=30kPa, 𝑑⁰_DR=𝑑⁰_WT=1.0, 𝑆^irr_𝑟=0.3, 𝛼_DR=1500kPa, 𝛼_WT=750kPa, 𝑟=7.5, 𝑚=0.0115, and 𝜀^𝑝_𝑣,max=0.25.

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