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Dynamics of Creeping Landslides Controlled by Inelastic Hydro-mechanical Couplings by Xiang Li; Yanni Chen; Alexander L. Handwerger; Giuseppe Buscarnera is a Engineering article available to read on EtoBox.

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Slow-moving landslides affect proximal infrastructures and communities, often causing extensive economic loss. While many of these landslides exhibit slow and episodic sliding for decades or more, they sometimes accelerate rapidly and fail catastrophically. Although it is known that the landslide dynamics are controlled by hydro-mechanical processes, few analytical models enable a versatile incorporation of the inelastic behavior of the shear zone materials, thus hindering an accurate quantification of how their properties modulate the magnitude and rate of coupled fluid flow and landslide motion. To address this problem, we develop a simulation framework incorporating rainfall-induced, deformation-mediated pore-water pressure transients at the base of active landslides. The framework involves the computation of two sequential diffusion processes, one within an upper rigid-porous landslide block, and another within the inelastic shear zone. Although the framework can be linked to any elastoplastic constitutive laws, here we model landslide motion through an elastic-perfectly plastic frictional model, which enables us to account for standard properties of earthen materials such as e

Who reads Dynamics of Creeping Landslides Controlled by Inelastic Hydro-mechanical Couplings?

Author

Xiang Li; Yanni Chen; Alexander L. Handwerger; Giuseppe Buscarnera

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)