Publications related to High-level radioactive waste management

A FEM modelling workflow to simulate THM effects in the rock around nuclear waste packages

High-level waste, stemming from nuclear electricity generation poses significant environmental and safety concerns. Currently, high-level wastes are stored in interim facilities needing constant monitoring and waiting for a definitive solution. Deep geolog ...

EPFL2024

Microbial hydrogen sinks in the sand-bentonite backfill material for the deep geological disposal of radioactive waste

Rizlan Bernier-Latmani, Manon Frutschi, Nicolas Louis Maurice Jacquemin, Simiao Wang, Camille Aude Rolland, Niels Burzan, Aislinn Ann Boylan

The activity of subsurface microorganisms can be harnessed for engineering projects. For instance, the Swiss radioactive waste repository design can take advantage of indigenous microorganisms to tackle the issue of a hydrogen gas (H2) phase pressure build ...

2024

Evolution of water content and suction of Opalinus Clay from recovery at the drilling site to handling in the laboratory

Lyesse Laloui, Alessio Ferrari, Angelica Tuttolomondo

Advanced geotechnical engineering applications, such as shale gas extraction, CO2 geological sequestration, and geological radioactive waste storage, often involve various types of shales located at significant depths. Shales exhibit mechanical properties ...

Oxford2024

Insights from an extensive triaxial testing campaign on a shale for comparative site characterization of a deep geological repository

Lyesse Laloui, Alessio Ferrari, Eleonora Crisci

Several boreholes were drilled for site comparison of a deep geological repository (DGR) in Northern Switzerland. The main target of the exploration program was the >100m thick Opalinus Clay, the designated host rock encountered at approximately 450 to 100 ...

Amsterdam2024

Gamma-ray Spectroscopy in Low-Power Nuclear Research Reactors

Andreas Pautz, Vincent Pierre Lamirand, Oskari Ville Pakari

Gamma-ray spectroscopy is an effective technique for radioactive material characterization, routine inventory verification, nuclear safeguards, health physics, and source search scenarios. Gamma-ray spectrometers typically cannot be operated in the immedia ...

MDPI2024

Experimental and Numerical Investigation on Water Exchange of Opalinus Clay Samples

Alessio Ferrari, Eleni Stavropoulou, Qazim Llabjani, Vincenzo Sergio Vespo

Opalinus Clay is a fine-grained sedimentary geomaterial with a mineral composition consisting mainly of silicates, carbonates and quartz. Due to its favourable barrier properties, this geomaterial has been selected as the host rock for the underground disp ...

Wei Wu, Universität für Bodenkultur2023

Thermo-hydro-mechanical analysis of the complete lifetime of the bentonite barrier in the FEBEX in-situ test

Lyesse Laloui, Alessio Ferrari, Jose Antonio Bosch Llufriu, Yafei Qiao

The FEBEX test was a large-scale demonstration project for the deep geological disposal concept of nuclear waste involving bentonite seals that lasted 18 years. One of the objectives of the test was to evaluate the capabilities of numerical methods to prov ...

2023

Hydro-Mechanical Characterization of a Shale by Unusually High-Pressure Oedometric Tests

Alessio Ferrari, Eleonora Crisci

The note presents selected results of an experimental campaign conducted with the aim to investigate the hydro-mechanical behaviour of a shale recovered at a depth of about 900 m below the ground. High-pressure oedometric tests were performed to investigat ...

Wei Wu, Universität für Bodenkultur2023

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High-level radioactive waste management

Thermo-hydro-mechanical behaviour of the Callovo-Oxfordian claystone under thermal changes

A FEM modelling workflow to simulate THM effects in the rock around nuclear waste packages

Microbial hydrogen sinks in the sand-bentonite backfill material for the deep geological disposal of radioactive waste

Evolution of water content and suction of Opalinus Clay from recovery at the drilling site to handling in the laboratory

Insights from an extensive triaxial testing campaign on a shale for comparative site characterization of a deep geological repository

Gamma-ray Spectroscopy in Low-Power Nuclear Research Reactors

Experimental and Numerical Investigation on Water Exchange of Opalinus Clay Samples

Thermo-hydro-mechanical analysis of the complete lifetime of the bentonite barrier in the FEBEX in-situ test

Hydro-Mechanical Characterization of a Shale by Unusually High-Pressure Oedometric Tests

Valorisation de la matière dans le bâti: réhabilitation de l’ancien hôtel des Chamois à Leysin (VD)

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Insights from an extensive triaxial testing campaign on a shale for comparative site characterization of a deep geological repository

Microbial hydrogen sinks in the sand-bentonite backfill material for the deep geological disposal of radioactive waste

A FEM modelling workflow to simulate THM effects in the rock around nuclear waste packages

Hydro-Mechanical Characterization of a Shale by Unusually High-Pressure Oedometric Tests

Valorisation de la matière dans le bâti: réhabilitation de l’ancien hôtel des Chamois à Leysin (VD)

Thermo-hydro-mechanical behaviour of the Callovo-Oxfordian claystone under thermal changes

Evolution of water content and suction of Opalinus Clay from recovery at the drilling site to handling in the laboratory

Thermo-hydro-mechanical analysis of the complete lifetime of the bentonite barrier in the FEBEX in-situ test

Gamma-ray Spectroscopy in Low-Power Nuclear Research Reactors

Experimental and Numerical Investigation on Water Exchange of Opalinus Clay Samples