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Numerical analysis of anisotropic stiffness and strength for geomaterials
(Science Press, 2023-02)
Article
Open AccessIn numerical modelling, selection of the constitutive model is a critical factor in predicting the actual response of a geomaterial. The use of oversimplified or inadequate models may not be sufficient to reproduce the ... -
Hydro-mechanical modelling and analysis of multi-stage tunnel excavations using a smoothed excavation method
(Elsevier, 2021-07)
Article
Open AccessThe main objective of this article is to provide a general numerical approach for the hydro-mechanical (HM) modelling of tunnels excavated in saturated rock masses exhibiting plastic behaviour, considering a multi-stage ... -
A new method for exploiting mine geothermal energy by using functional cemented paste backfill material for phase change heat storage: design and experimental study
(Elsevier, 2022-10)
Article
Restricted access - publisher's policyThe research on mine geothermal energy exploitation has attracted global interest for many years. This paper proposes an innovative new method for geothermal-coal synergetic mining (GE-COSM) to expand the valorization of ... -
Effect of thermo-hydro-mechanical coupling on the evolution of stress in the concrete liner of an underground drift in the Cigéo project
(Institute of Physics (IOP), 2021-09)
Article
Open AccessThe French National Radioactive Waste Management Agency (Andra) is in charge of studying the disposal of high-level and intermediate-level long-lived waste (HLW and ILW-LL) in a deep geological repository (Cigéo project) ... -
Modeling soil-facing interface interaction with continuum element methodology
(2022-03)
Article
Open AccessSoil-facing mechanical interactions play an important role in the behaviour of earth retaining walls. Generally, numerical analysis of earth retaining structures requires the use of interface elements between dissimilar ... -
Protecting surface and buried structures from tunnelling using pile walls: a prediction model
(2021-10)
Article
Open AccessWhen tunnelling poses excessive risks for buildings and buried foundations, a pile row barrier may shield the existing structure from ground movements. This paper presents a three-dimensional linear elastic prediction ... -
Numerical simulation of underground excavations in an indurated clay using non-local regularisation. Part 1: formulation and base case
(2022-12)
Article
Open AccessThe paper presents the numerical simulation of an underground excavation in the Callovo-Oxfordian argillaceous formation, performed in the Meuse/Haute-Marne underground research laboratory, within the context of deep ... -
Coupled THM analysis of a full-scale test for high-level nuclear waste and spent fuel disposal under actual repository conditions during 18 years of operation
(2022-01-01)
Article
Open AccessThis study focuses on the thermo-hydro-mechanical (THM) analysis of the behaviour of a full-scale engineered barriers experiment designed to study the long-term response of a disposal concept for high-level radioactive ... -
Numerical simulation of underground excavations in an indurated clay using non-local regularisation. Part 2: Sensitivity analysis
(2022-12)
Article
Open AccessA sensitivity study is presented to evaluate the influence of different parameters on the simulation of an underground excavation in the Callovo-Oxfordian (COx) argillaceous formation performed in the Meuse/Haute-Marne ... -
Tailings desiccation process studied in environmental chamber experiment
(2022-04)
Article
Open AccessCase studies and numerical simulations show that the long-term stability of tailings dams largely depends on the evolution of their water content. Therefore, desiccation is one of the critical processes influencing the ... -
Application of a critical state model to the Merriespruit tailings dam failure
(2022-04)
Article
Open AccessThe use of stress–deformation analyses to evaluate the characteristics of possible static liquefaction events is rapidly becoming the norm for tailings dams exposed to such risk. Ideally, those analyses should be based on ... -
Exploring the mechanical response of low-carbon soil improvement mixtures
(2022-05)
Article
Open AccessAs society moves towards decarbonisation, it is important to assess the hydromechanical behaviour of binders that could offer a low-carbon alternative to Portland cement in ground improvement technologies. This work considers ...
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