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Growth and viability of microorganisms in bentonite and their potential activity in deep geological repository environments

Related publications (71)

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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

Professor Laloui gave an interview to Migros Magazine. The talk was about nuclear waste storage. As we know, disposal of nuclear waste abroad is forbidden since 2006 and therefore new solutions are being considered. The solution discussed is underground wa ...

2018

Deep geological repositories in clay formations are a promising option to ensure the long-term isolation of nuclear waste from the population and the environment. In Switzerland, the Opalinus Clay (OPA) formation is a shale whose favorable barrier properti ...

EPFL2018

Energy Geotechnics

Lyesse Laloui, Alessio Ferrari

This book collects selected full papers presented at the International Symposium on Energy Geotechnics 2018 (SEG-2018), held on 25th – 28th September 2018, at the Swiss Federal Institute of Technology in Lausanne (EPFL). It covers a wide range of topics in ...

Springer, Cham2018

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

FEBEX (Full-scale Engineered Barrier Experiment in Crystalline Host Rock) is a research and demonstration project that was initiated by ENRESA (Spain). The aim of the project is to study the behaviour of near-field components in a repository for high-level ...

2017

Pre-dismantling THM modelling of the FEBEX in situ experiment.

Lyesse Laloui, Alessio Ferrari, Yafei Qiao

NAGRA2017

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

A minimalistic microbial food web in an excavated deep subsurface clay rock

Rizlan Bernier-Latmani, Alexandre Bagnoud

Clay rocks are being considered for radioactive waste disposal, but relatively little is known about the impact of microbes on the long-term safety of geological repositories. Thus, a more complete understanding of microbial community structure and functio ...

Wiley-Blackwell2016

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