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 …

[KNJIGA][B] Thermo-poroelasticity and geomechanics

APS Selvadurai, AP Suvorov - 2016 - books.google.com
Investigations of multi-physical processes in geomaterials have gained increasing attention
due to the ongoing interest in solving complex geoenvironmental problems. This book …

Experimental and numerical investigation of permeability evolution with damage of sandstone under triaxial compression

X Chen, J Yu, C Tang, H Li, S Wang - Rock Mechanics and Rock …, 2017 - Springer
A series of triaxial compression tests with permeability measurements was carried out under
different confining pressure and pore pressure difference coupling conditions to investigate …

A three-dimensional hydro-mechanical model for simulation of dilatancy controlled gas flow in anisotropic claystone

J Yang, M Fall, G Guo - Rock Mechanics and Rock Engineering, 2020 - Springer
Dilatancy controlled gas flow is characterized by a series of gas pressure-induced dilatant
pathways in which the pathway aperture is a function of the effective stress within the solid …

Poroelasticity of the Callovo–Oxfordian claystone

M Belmokhtar, P Delage, S Ghabezloo… - Rock Mechanics and …, 2017 - Springer
This work is devoted to an experimental investigation of the poroelastic behavior of the
Callovo–Oxfordian claystone, a potential host rock for the deep underground repository of …

Hydro-mechanical modelling of gas transport in clayey host rocks for nuclear waste repositories

J Yang, M Fall - International Journal of Rock Mechanics and Mining …, 2021 - Elsevier
Host rocks, as the final impediment to waste migration, play a significant role in the nuclear
waste repositories. Modelling of gas migration in saturated host rocks as well as its coupled …

Modelling the influence of strain localisation and viscosity on the behaviour of underground drifts drilled in claystone

B Pardoen, F Collin - Computers and Geotechnics, 2017 - Elsevier
A benchmark is conducted to characterise the Callovo-Oxfordian claystone behaviour for
nuclear waste repository. The objective is to model gallery drilling and Excavation Damaged …

Effect of anisotropy and hydro-mechanical couplings on pore pressure evolution during tunnel excavation in low-permeability ground

LM Guayacan-Carrillo, S Ghabezloo, J Sulem… - International Journal of …, 2017 - Elsevier
Continuous monitoring around drifts excavated in the Underground Research Laboratory
(URL) of The French National Radioactive Waste Management Agency (Andra) in Callovo …

Using local second gradient model and shear strain localisation to model the excavation damaged zone in unsaturated claystone

B Pardoen, S Levasseur, F Collin - Rock Mechanics and Rock Engineering, 2015 - Springer
The drilling of galleries induces damage propagation in the surrounding medium and
creates, around them, the excavation damaged zone (EDZ). The prediction of the extension …

Permeability evolution and water transfer in the excavation damaged zone of a ventilated gallery

B Pardoen, J Talandier, F Collin - … Journal of Rock Mechanics and Mining …, 2016 - Elsevier
The fluid transfers occurring around underground galleries are of paramount importance
when envisaging the long-term sustainability of underground structures for nuclear waste …