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Water retention and thermal properties of nearly saturated Boom Clay

  • L. Q. Dao
  • , P. Delage
  • , Y. J. Cui
  • , A. M. Tang
  • , X. L. Li
  • , X. Sillen

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Résumé

The Boom Clay is considered as a potential host rock for the deep disposal of high activity heat-emitting radioactive waste in Belgium. In this context, extensive research has been carried out on the thermo-hydro-mechanical behaviour of the Boom Clay both in-situ and in surface laboratories. Thermal conductivity tests were conducted on the samples taken from the Underground Research Laboratory (URL) at the High Activity Disposal Experimental Site (HADES) at Mol using the needle probe method and the effects of partial saturation on the thermal conductivity coefficient have been investigated. Data show that slight desaturation induces slight changes in thermal conductivity coefficient. Also, the water retention curve of the Boom Clay has been investigated with particular attention paid to the drying path from the saturated state. The water retention curve in this path was obtained by progressively submitting samples to drying while measuring their suction using a dew-point hygrometer. The data obtained agree well with other available data regarding the air entry value of Boom Clay.

langue originaleAnglais
titreUnsaturated Soils
Sous-titreResearch and Applications - Proceedings of the 6th International Conference on Unsaturated Soils, UNSAT 2014
EditeurTaylor and Francis - Balkema
Pages843-847
Nombre de pages5
ISBN (imprimé)9781138026896
étatPublié - 1 janv. 2014
Modification externeOui
Evénement6th International Conference on Unsaturated Soils, UNSAT 2014 - Sydney, NSW, Australie
Durée: 2 juil. 20144 juil. 2014

Série de publications

NomUnsaturated Soils: Research and Applications - Proceedings of the 6th International Conference on Unsaturated Soils, UNSAT 2014
Volume1

Une conférence

Une conférence6th International Conference on Unsaturated Soils, UNSAT 2014
Pays/TerritoireAustralie
La villeSydney, NSW
période2/07/144/07/14

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