Stability analysis of unsaturated loess slopes subjected to extreme rainfall incorporating creep effects

G Duan, F Song, H Wang, A Rodriguez-Dono… - Computers and …, 2024 - Elsevier
Rainfall-induced landslides are common natural hazards, particularly in cases involving
unsaturated soils. Slope instability issues may arise due to extreme climate events, while …

Numerical simulation of underground excavations in an indurated clay using non-local regularisation. Part 1: formulation and base case

MA Mánica, A Gens, J Vaunat, G Armand… - …, 2022 - icevirtuallibrary.com
The paper presents the numerical simulation of an underground excavation in the Callovo-
Oxfordian argillaceous formation, performed in the Meuse/Haute-Marne underground …

Nonlocal plasticity modelling of strain localisation in stiff clays

MA Mánica, A Gens, J Vaunat, DF Ruiz - Computers and Geotechnics, 2018 - Elsevier
The paper addresses the numerical simulation of strain localisation in stiff clays that exhibit
softening behaviour. An elastoplastic constitutive model developed to incorporate key …

Numerical modeling of deformation and damage around underground excavation by phase-field method with hydromechanical coupling

Z Yu, J Shao, G Duveau, MN Vu, G Armand - Computers and Geotechnics, 2021 - Elsevier
In the context of feasibility study for geological disposal of radioactive waste, this work
focuses on numerical modeling of hydromechanical response and induced damage zones …

The stability and roof-support optimization of roadways passing through unfavorable geological bodies using advanced detection and monitoring methods, among …

C Zhang, C Pu, R Cao, T Jiang, G Huang - Bulletin of Engineering …, 2019 - Springer
The safety and stability of roadways is greatly influenced by the complex geological
conditions present in the Sanmenxia Bauxite Mine, Henan Province, China. In this study …

A full-scale in situ heating test in Callovo-Oxfordian claystone: observations, analysis and interpretation

S Tourchi, J Vaunat, A Gens, F Bumbieler… - Computers and …, 2021 - Elsevier
The paper describes the performance, observations and numerical interpretation of a full-
scale in situ heating test conducted on Callovo-Oxfordian (COx) claystone in the …

A constitutive model for anisotropic clay-rich rocks considering micro-structural composition

JJ Zhao, WQ Shen, JF Shao, ZB Liu, MN Vu - International Journal of Rock …, 2022 - Elsevier
A new constitutive model is developed in this paper for clay-rich rocks. This model describes
elastic, instantaneous and time-dependent plastic deformations, and induced damage. The …

Feasibility of constructing a full-scale radioactive high-level waste disposal cell and characterization of its thermo-hydro-mechanical behavior

F Bumbieler, C Plúa, S Tourchi, MN Vu, J Vaunat… - International Journal of …, 2021 - Elsevier
Within the context of deep geological radioactive waste disposal, the French National
Radioactive Waste Management Agency (Andra) is conducting a research program …

[HTML][HTML] Effects of anisotropic shale creep on the stress and permeability evolution of a geological nuclear waste repository

T Sasaki, J Rutqvist - Tunnelling and Underground Space Technology, 2024 - Elsevier
To ensure long-term safety and performance, geological nuclear waste repositories require
low-permeability barriers such as bentonite buffers and/or shale host rock. Shale is not only …

“Transverse Action”–A model benchmark exercise for numerical analysis of the Callovo-Oxfordian claystone hydromechanical response to excavation operations

DM Seyedi, G Armand, A Noiret - Computers and Geotechnics, 2017 - Elsevier
Abstract The Callovo-Oxfordian claystone (COx) is considered as a potential geological
formation to host an industrial radioactive waste repository in France. A detailed …