Publications related to Onkalo spent nuclear fuel repository

Increasing understanding and confidence in THM simulations of Engineered Barrier Systems.

Lyesse Laloui, Alessio Ferrari, Yafei Qiao

Previous studies on the modelling of coupled thermo-hydro-mechanical (THM) processes in bentonite-based engineered barrier systems (EBSs) showed the sensitivity of the output quantities to changes in the input parameters. To investigate the effects of unce ...

2019

H2-fuelled microbial metabolism in Opalinus Clay

Rizlan Bernier-Latmani, Luca Loreggian, Niels Burzan, Aislinn Ann Boylan, Carla Perez Mon

In Switzerland, the Opalinus Clay formation is considered the most likely host rock for a deep geological repository for nuclear waste. In deep geological repositories, H2 is expected to be the most abundant gas formed from the degradation of waste and fro ...

2019

Biogeochemical Cycling by a Low-Diversity Microbial Community in Deep Groundwater

Rizlan Bernier-Latmani, Manon Frutschi, Emma Bell, Louise Julia Balmer, Guillaume Sommer, Chen Qian

Olkiluoto, an island on the south-west coast of Finland, will host a deep geological repository for the storage of spent nuclear fuel. Microbially induced corrosion from the generation of sulphide is therefore a concern as it could potentially compromise t ...

2018

Anisotropic behaviour of Opalinus Clay through consolidated and drained triaxial testing in saturated conditions

Lyesse Laloui, Alessio Ferrari, Valentina Favero

This paper investigates the anisotropic hydro-mechanical behaviour of Opalinus Clay shale, the host material currently being considered for the construction of a nuclear waste repository in Switzerland. Consolidated and drained triaxial tests on Opalinus C ...

2018

Hydro-mechanical modeling of tunnel excavation in anisotropic shale with coupled damage-plasticity and micro-dilatant regularization

Lyesse Laloui, Victor Vilarrasa Riano, Francesco Parisio

The disposal of highly radioactive spent nuclear fuel in deep geological media will require excavating a large number of galleries in low-permeable rocks, altering initial rock integrity at the repository site. The FE-tunnel excavated in Opalinus Clay at t ...

2018

Fifteen years of microbiological investigation in Opalinus Clay at the Mont Terri rock laboratory (Switzerland)

Rizlan Bernier-Latmani, Alexandre Bagnoud

Microbiological studies related to the geological disposal of radioactive waste have been conducted at the Mont Terri rock laboratory in Opalinus Clay, a potential host rock for a deep geologic repository, since 2002. The metabolic potential of microorgani ...

Springer Basel Ag2017

Petro-physical characterization of the Main Fault at the Mont Terri Laboratory

Marie Estelle Solange Violay, Luis Felipe Orellana Espinoza

Opalinus clay has been widely studied in the context of deep geological disposal. Its favourable hydro-mechanical properties made it a suitable material for the storage of nuclear waste. But the presence of tectonic systems within the clay formation arise ...

2017

Numerical analysis of canister movements in an engineered barrier system

Lyesse Laloui, Fabrice Dupray

The mid-term safety of deep geological nuclear waste repositories is based in part on the presence of a buffer, the main role of which is to isolate the environment from radionuclides. A design evaluation of such a repository is necessary to assess the pot ...

Springer Verlag2016

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Onkalo spent nuclear fuel repository

Increasing understanding and confidence in THM simulations of Engineered Barrier Systems.

H2-fuelled microbial metabolism in Opalinus Clay

Biogeochemical Cycling by a Low-Diversity Microbial Community in Deep Groundwater

Frictional and transport properties of faults zones in the Opalinus Clay formation

Anisotropic behaviour of Opalinus Clay through consolidated and drained triaxial testing in saturated conditions

Hydro-mechanical modeling of tunnel excavation in anisotropic shale with coupled damage-plasticity and micro-dilatant regularization

Pin-by-Pin Treatment of LWR Cores with Cross Section Equivalence Procedures and Higher-Order Transport Methods

Fifteen years of microbiological investigation in Opalinus Clay at the Mont Terri rock laboratory (Switzerland)

Petro-physical characterization of the Main Fault at the Mont Terri Laboratory

Numerical analysis of canister movements in an engineered barrier system

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Increasing understanding and confidence in THM simulations of Engineered Barrier Systems.

H2-fuelled microbial metabolism in Opalinus Clay

Pin-by-Pin Treatment of LWR Cores with Cross Section Equivalence Procedures and Higher-Order Transport Methods

Frictional and transport properties of faults zones in the Opalinus Clay formation

Biogeochemical Cycling by a Low-Diversity Microbial Community in Deep Groundwater

Anisotropic behaviour of Opalinus Clay through consolidated and drained triaxial testing in saturated conditions

Hydro-mechanical modeling of tunnel excavation in anisotropic shale with coupled damage-plasticity and micro-dilatant regularization

Petro-physical characterization of the Main Fault at the Mont Terri Laboratory

Fifteen years of microbiological investigation in Opalinus Clay at the Mont Terri rock laboratory (Switzerland)

Numerical analysis of canister movements in an engineered barrier system