Article (Scientific journals)
Experimental Investigation of Hydromechanical Coupling During Clay Drying
Prime, Noémie; Fraikin, Laurent; Léonard, Angélique et al.
2015In Drying Technology, 33 (15-16), p. 1821-1829
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Keywords :
clay; Convective drying; cracking; shrinkage; Hydromechanical coupling
Abstract :
[en] Boom clay is studied as a potential host rock for underground nuclear waste storage. This experimental work analyzes its response under the convective drying conditions that may be applied in case of contact with the ambient atmosphere (during disposal drilling, for instance) or with gallery ventilation (because of damage in gallery lining). The drying kinetics is first established. In a second phase, the cracking and shrinkage onset and development are focused on, thanks to an X-ray microtomography device. The results show a phase of ideal shrinkage and a phase of shrinkage with desaturation, which are closely related to the kinetics. Cracking and shrinkage progressively develop from the drying surface, up to values representing about 3 and 12% of the cross section area, respectively.
Disciplines :
Civil engineering
Chemical engineering
Materials science & engineering
Author, co-author :
Prime, Noémie;  Université de Liège - ULiège > ArGEnCo > Géomécanique et géologie de l'ingénieur
Fraikin, Laurent ;  Université de Liège > Department of Chemical Engineering > Génie chimique - Procédés et développement durable
Léonard, Angélique  ;  Université de Liège > Department of Chemical Engineering > Génie chimique - Procédés et développement durable
Charlier, Robert ;  Université de Liège > Département ArGEnCo > Géomécanique et géologie de l'ingénieur
Levasseur, Séverine ;  ONDRAF
Language :
English
Title :
Experimental Investigation of Hydromechanical Coupling During Clay Drying
Publication date :
2015
Journal title :
Drying Technology
ISSN :
0737-3937
eISSN :
1532-2300
Publisher :
Taylor and Francis, New York, United States - New York
Volume :
33
Issue :
15-16
Pages :
1821-1829
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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