Water retention properties of two deep Tertiary clay formations within the context of radioactive waste disposal.
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Inclou dades d'ús des de 2022
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hdl:2117/15431
Tipus de documentComunicació de congrés
Data publicació2011
Condicions d'accésAccés obert
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Abstract
Belgium investigates the design for disposal of its ‘High-Level Radioactive Waste’ in two deep clay formations; the Boom clay at Mol, considered the reference host formation, and Ypresian clay at Kallo as the alternative one. The water retention properties of these deep low-porosity formations have been
investigated for two main reasons. High suctions develop as a consequence of sample retrieval (at depths between 223 and 350 m), which affect the hydro-mechanical response of these materials, especially at low stress levels. In addition, water retention properties have also been studied to better assess possible desaturation effects due to venting of the disposal facility galleries. After a description of their main properties at intact state and their microstructural features (pore size distributions), the water retention properties of both clays covering a wide suction range and using different complementary techniques are
presented and discussed.
CitacióLima, A.; Romero, E.; Piña, Y. Water retention properties of two deep Tertiary clay formations within the context of radioactive waste disposal.. A: Simpósio Brasileiro de Solos Nao Saturados. "VII Brazilian Symposium on Unsaturated Soil". Pirenópolis, Goiania: 2011, p. 315-321.
ISBN978-85-400-0219-7
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WRPBF_Limaetal_VIISimposioBrasil_paper_def.pdf | 216,9Kb | Visualitza/Obre |