Thermo-hydro-mechanical modelling of a C-Waste geological repository

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    Abstract

    The goal of this work is to analyse the thermo-hydro-mechanical behaviour of the Boom Clay submitted to a heat source induced by the radioactive waste. Three kinds of waste are taken into account, i.e VHLW, UNE-55 and MOX. The analysis was realised in a stepwise approach. The first step concerned the validation of the finite element code LAGAMINE. To do that, a comparison between the results obtained with the finite element code COMSOL and LAGAMINE was done. The second step dealt with the thermo-hydro-mechanical modelling of an assumed real repository. A set of modelling is then realised with and without the influence of the neighbouring galleries. Finally a comparison between the geological repository predictions and the PRACALY predictions was done in order to highlight the more restrictive conditions applied on this large scale heater experiment.
    Original languageEnglish
    Place of PublicationMol
    PublisherESV Euridice GIE
    Number of pages53
    EditionEUR_18_013
    StatePublished - 20 Dec 2018

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