Reference : An unsaturated hydro-mechanical modelling of two in-situ experiments in Callovo-Oxfor...
Scientific journals : Article
Engineering, computing & technology : Civil engineering
http://hdl.handle.net/2268/154241
An unsaturated hydro-mechanical modelling of two in-situ experiments in Callovo-Oxfordian argillite
English
Charlier, Robert [Université de Liège - ULiège > Département ArGEnCo > Géomécanique et géologie de l'ingénieur >]
Collin, Frédéric mailto [Université de Liège - ULiège > Département ArGEnCo > Géomécanique et géologie de l'ingénieur >]
Pardoen, Benoît mailto [Université de Liège - ULiège > Département ArGEnCo > Géomécanique et géologie de l'ingénieur >]
Talandier, Jean [Agence Nationale pour la Gestion des Déchets Radioactifs - ANDRA > > > >]
Radu, Jean-Pol [Université de Liège - ULiège > Département ArGEnCo > Géomécanique et géologie de l'ingénieur >]
Gerard, Pierre [Université Libre de Bruxelles - ULB > > > >]
24-Oct-2013
Engineering Geology
Elsevier Science
165
Research and Applications in Unsaturated Soil Mechanics
46-63
Yes (verified by ORBi)
International
0013-7952
Amsterdam
The Netherlands
[en] Modelling ; Unsaturated behaviour ; Ventilation ; Gas migration ; Multi-physics coupling
[en] The unsaturated behaviour of Callovo-Oxfordian argillite is investigated through the modelling of 2 in-situ experiments. The first test studies the influence of ventilation in a gallery on the hydro-mechanical behaviour of the rock mass. The second test consists in a gas injection in the rock mass from an experimental borehole. A hydro-mechanical model is described and used in the modelling of the experiments. A review of the main hydro-mechanical parameters of argillite is presented. The numerical results highlight the need of a flow boundary condition reproducing the fluid transfers between the surroundings and the rock mass. The influence of dissolved gas on the compressibility of the liquid phase is also emphasised.
http://hdl.handle.net/2268/154241
10.1016/j.enggeo.2013.05.021

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