Thermo-hydro-mechanical tests using vapor and liquid transfer on a clay-based mixture

Xiang Ling Li, Enrique Romero, Frédéric Bernier

    Research outputpeer-review


    Within the framework of the OPHELIE surface mock-up test -a Belgian reference repository concept for high level radioactive waste disposal (Verstricht et al. 2002)- an exhaustive experimental program under oedometer conditions was carried out to characterize the thermo-hydro-mechanical response of the backfill material used. This material, precompacted in high-density blocks, is made up of 60% FoCa clay, 35% sand and 5% graphite (dry mass basis). This paper focuses on the description of the temperature and suction controlled oedometer equipment and the experimental techniques used. Selected experimental results related to water retention properties, compressibility on loading at different total suctions and temperatures, as well as swelling capacity on soaking and heating, are also presented and interpreted.
    Original languageEnglish
    Title of host publicationProceedings of International Symposium on Advanced Experimental Unsaturated Soil Mechanics
    Place of PublicationTrento, Italy
    StatePublished - 27 Jun 2005
    EventInternational Symposium on Advanced Experimental Unsaturated Soil Mechanics - Trento
    Duration: 30 Nov 199930 Nov 1999


    ConferenceInternational Symposium on Advanced Experimental Unsaturated Soil Mechanics

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