Modelling a heater experiment for radioactive waste disposal | Zendy

T.S. Nguyen | Zendy; Zhenze Li | Zendy; Benoit Garitte | Zendy; Jean-Dominique Barnichon | Zendy

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Modelling a heater experiment for radioactive waste disposal

Author(s) -

T.S. Nguyen,

Zhenze Li,

Benoit Garitte,

Jean-Dominique Barnichon

Publication year - 2017

Publication title -

environmental geotechnics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.716

H-Index - 16

ISSN - 2051-803X

DOI - 10.1680/jenge.15.00060

Subject(s) - radioactive waste , environmental science , thermal hydraulics , parametric statistics , host (biology) , nuclear engineering , geotechnical engineering , mining engineering , geology , waste management , engineering , heat transfer , statistics , physics , mathematics , thermodynamics , ecology , biology

This paper presents the Canadian Nuclear Safety Commission’s modelling of coupled thermal, hydraulic and mechanical (THM) processes and their influence on the performance of the engineered barrier system (EBS) and the host rock. The coupled THM processes were monitored during a heater experiment called HE-E, performed in an Opalinus Clay formation at the Mont Terri Rock Laboratory in Switzerland. The HE-E experimental set-up consisted of two EBS sections emplaced in an existing tunnel of the Underground Rock Laboratory. This paper focuses on the model development, parametric analysis, model calibration and verification with the field test data. The influence of THM processes on the EBS and host rock performance and the implications on the design and safety assessment of geological disposal repository systems are discussed.

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