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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
(2021-06)
Article
Restricted access - publisher's policyThe 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
Restricted access - publisher's policyThis 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
(2021-09)
Article
Restricted access - publisher's policyA 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
Restricted access - publisher's policyCase 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
Restricted access - publisher's policyThe 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 ... -
Mining footprint of the underground longwall caving extraction method: a case study of a typical industrial coal area in China
(Elsevier, 2022-03)
Article
Restricted access - publisher's policyLongwall caving mining (LCM) can lead to many environmental problems that have drawn worldwide attention. A previous survey found that most scholars tend to analyze the two issues separately, that is, coal mining-induced ... -
Tensile strength of a compacted vegetated soil: laboratory results and reinforcement interpretation
(Elsevier, 2022-06)
Article
Restricted access - publisher's policySo far, root reinforcement on soil has been primarily evaluated through direct shear and roots pull-out tests, while the effect of other stress paths and the behaviour at the soil–root¿ interface are still poorly investigated. ... -
Shear strength and yield surface of a partially saturated sandy silt under generalized stress states
(2022-07)
Article
Open AccessThis paper studies the hydromechanical behavior of a slightly compacted mixture of sand and clayey silt (30%/70%) under a generalized stress state. The experimental study focused on analyzing the yielding response and shear ...
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