A micro–macro model for clayey rocks with a plastic compressible porous matrix
This paper is devoted to mesomechanical modeling of plastic deformation in a clayey rock.
The material contains linear-elastic mineral grains embedded in a porous clay matrix at …
The material contains linear-elastic mineral grains embedded in a porous clay matrix at …
Numerical simulation of underground excavations in an indurated clay using non-local regularisation. Part 1: formulation and base case
The paper presents the numerical simulation of an underground excavation in the Callovo-
Oxfordian argillaceous formation, performed in the Meuse/Haute-Marne underground …
Oxfordian argillaceous formation, performed in the Meuse/Haute-Marne underground …
A constitutive model for anisotropic clay-rich rocks considering micro-structural composition
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 …
elastic, instantaneous and time-dependent plastic deformations, and induced damage. The …
A time-dependent anisotropic model for argillaceous rocks. Application to an underground excavation in Callovo-Oxfordian claystone
The paper presents a constitutive model for argillaceous rocks, developed within the
framework of elastoplasticity, that includes a number of features that are relevant for a …
framework of elastoplasticity, that includes a number of features that are relevant for a …
A closed-form three scale model for ductile rocks with a plastically compressible porous matrix
The present paper is devoted to a micro–macro model of plastic deformation in Callovo
Oxfordian argillite. This material is composed of a porous clay matrix which is reinforced by …
Oxfordian argillite. This material is composed of a porous clay matrix which is reinforced by …
[HTML][HTML] Fully coupled THM constitutive model for clay rocks: formulation and application to laboratory tests
This study presents a fully coupled thermo-hydro-mechanical (THM) constitutive model for
clay rocks. The model is formulated within the elastic-viscoplasticity framework, which …
clay rocks. The model is formulated within the elastic-viscoplasticity framework, which …
Dependence of elastic properties of argillaceous rocks on moisture content investigated with optical full-field strain measurement techniques
The mechanical behaviour of the argillaceous rock considered in France as a potential host
rock for nuclear waste repository strongly depends on water content. In order to quantify the …
rock for nuclear waste repository strongly depends on water content. In order to quantify the …
A micro-macro model for time-dependent behavior of clayey rocks due to anisotropic propagation of microcracks
In this paper, a micro-macro model is proposed for the time-dependent behavior of clayey
rocks. Two material scales are considered. At the mesoscopic scale, the studied material is …
rocks. Two material scales are considered. At the mesoscopic scale, the studied material is …
[HTML][HTML] Effects of excavation size, rate, orientation, and depth on the hydromechanical response of argillaceous rocks
In this study, a sensitivity analysis is performed to investigate the effects of excavation size,
rate, orientation, and depth on the hydromechanical response of Callovo-Oxfordian (COx) …
rate, orientation, and depth on the hydromechanical response of Callovo-Oxfordian (COx) …
Experimental investigation and numerical modeling of coupled elastoplastic damage and permeability of saturated hard rock
C Jia, S Zhang, W Xu - Rock Mechanics and Rock Engineering, 2021 - Springer
The mechanical behavior and permeability evolution of saturated hard rock are significantly
important to the stability and safety of super-high arch dams. A series of triaxial compression …
important to the stability and safety of super-high arch dams. A series of triaxial compression …