Now showing items 1-20 of 20

  • Analyse et optimisation de la gestion des déchets conventionnels des sites nucléaires en déconstruction 

    Bonjoch Freginals, Mireia (Universitat Politècnica de Catalunya / École Nationale Supérieure de Techniques Avancées, 2014)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Les déchets sont produits par de multiples acteurs qui sont responsables de leur gestion jusqu’à leur valorisation ou élimination finale. Par leurs caractéristiques, les déchets représentent à court et long terme une menace ...
  • Analysis of a full scale in situ test simulating repository conditions 

    Gens Solé, Antonio; García Molina, Ángel; Olivella Pastallé, Sebastià; Alonso Pérez de Agreda, Eduardo; Huertas, F. (Wiley, 1998)
    Article
    Open Access
    Coupled thermo-hydro-mechanical (THM) analyses have been used to examine the interacting phenomena associated with the simultaneous heating and hydration of an engineered bentonite barrier placed in a drift excavated in ...
  • Capabilities and requirements of numerical models 

    Gens Solé, Antonio; Zandarín, Maria Teresa (2009-10-26)
    External research report
    Open Access
    Deliverable 11
  • Coupled analysis of a backfill hydration test 

    Alonso Pérez de Agreda, Eduardo; Lloret Morancho, Antonio; Delahaye, Carlos Héctor; Vaunat, Jean; Gens Solé, Antonio; Volckaert, G. (Wiley, 1998)
    Article
    Open Access
    BACCHUS2 in situ isothermal wetting experiment has been analysed by means of a coupled flow-deformation approach. Backfill material, a mixture of Boom clay powder and high density pellets, has been extensively tested in ...
  • Expansive bentonite–sand mixtures in cyclic controlled-suction drying and wetting 

    Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar; Hoffmann Jauge, Christian; García Escudero, Enrique (Elsevier, 2005)
    Article
    Open Access
    Expansive clay buffers in radioactive waste disposal designs experience cyclic drying and wetting paths during different stages of their design life. Clayey soils subjected to these processes develop swelling and shrinkage ...
  • Gas flow through clay barriers 

    Olivella Pastallé, Sebastià; Alonso Pérez de Agreda, Eduardo (Institution of Civil Engineers (http://www.ice.org.uk/), 2008)
    Article
    Open Access
    A model for the simulation of gas flow in clayey rocks and clays is described. Gas migration is associated with the development of preferential paths along existing or pressure-dependent discontinuities. The model handles ...
  • Installation expérimentale de transferts de polluants d’un sel fondu vers un métal liquide de confinement par procédé électromagnétique – amélioration de l’installation et tests 

    Albanell Baltrons, Llorenç (Universitat Politècnica de Catalunya / Institut National Polytechnique de Grenoble, 2009)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    In most of the extracion or de-pollution relative to metallurgy, a mass transfer occurs through a liquid/liguid interface. The control of motion in the neighborhood and of the interface isa a prominent key to promote the ...
  • Mechanical behaviour of heavily compacted bentonite under high suction changes 

    Lloret Morancho, Antonio; Villar, María Victoria; Sánchez, M.; Gens Solé, Antonio; Pintado Llurba, Xavier; Alonso Pérez de Agreda, Eduardo (Institution of Civil Engineers (http://www.ice.org.uk/), 2003)
    Article
    Open Access
    The paper reports the results of an experimental study carried out on a bentonite compacted to a dry density of up to 1·7 Mg=m3, a high value for this type of soil. The soil fabric has been studied using a variety of ...
  • Modeling swelling soils for disposal barriers 

    Navarro, Vicente; Alonso Pérez de Agreda, Eduardo (Elsevier, 2000)
    Article
    Open Access
    A fully coupled advanced formulation for heat, liquid and gas transfer in unsaturated deforming soils is presented. Balance equations are rooted in the theory of mixtures. A double porosity model, which is believed to ...
  • Modelling of matrix diffusion in a tracer test in concrete 

    Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem; Soler Matamala, Josep M.; Slooten, Luit Jan; Mäder, URS (2016-01)
    Article
    Open Access
    A laboratory-scale tracer test has been carried out to improve the characterization of the transport properties of the concrete from the radioactive waste disposal facility at El Cabril (Spain). High entry pressure was ...
  • Numerical formulation for a simulator (CODE_BRIGHT) for the coupled analysis of saline media 

    Olivella Pastallé, Sebastià; Gens Solé, Antonio; Carrera Ramírez, Jesús; Alonso Pérez de Agreda, Eduardo (MCB University Press, 1996)
    Article
    Open Access
    Salt rocks are being considered as potential recipients for geologic disposal of nuclear waste because of their favourable hydraulic and mechanical properties. In essence, processes controlling the behaviour of salt rocks ...
  • Optimización de la gestión de resinas radioactivas gastadas en una central nuclear 

    Parra Fernández, Pablo David (Universitat Politècnica de Catalunya, 2016-06-27)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Pellet mixtures in isolation barriers 

    Alonso Pérez de Agreda, Eduardo; Hoffmann Jauge, Christian; Romero Morales, Enrique Edgar (2009)
    Conference report
    Restricted access - publisher's policy
    Granular mixtures made of high-density pellets of bentonite are being evaluated as an alternative buffer material for waste isolation. Ease of handing is an often-mentioned advantage. The paper describes the experimental ...
  • Report on THM/THMC model improvement 

    Gens Solé, Antonio; Zandarín, Maria Teresa (2009-10-26)
    External research report
    Open Access
    Deliverable 10
  • RESEAL II: a large-scale in situ demonstration for repository sealing in an argillaceous host rock: phase II 

    Valleján, Beatriz; Gens Solé, Antonio; Mingarro, M.; García-Gutiérrez, M.; Villar, María Victoria; Plas, F.; Filippi, M.; Touzé, G.; Van Geet, Maarten; Bastiaens, W.; Volckaert, G.; Weetjens, E.; Sillen, X.; Maes, N.; Imbert, Ch.; Billaud, P. (2009)
    External research report
    Open Access
    Final Report
  • Studying the interaction between liquid, gas and heat flows in a soil under evaporation conditions by means of numerical modeling 

    Damacco, Romano (Universitat Politècnica de Catalunya, 2013-07-10)
    Master thesis
    Open Access
    Simulation of an evaporation test in a soil column have been carried out to characterize the properties of the topsoil of the El Cabril Radioactive Waste Disposal Facility and the evaporation process. The conceptual model ...
  • Suction-controlled experiments on Boom clay 

    Bernier, F.; Volckaert, G.; Alonso Pérez de Agreda, Eduardo; Villar, M. (Elsevier, 1997)
    Article
    Open Access
    The understanding of the thermo-hydro-mechanical behaviour of a clay barrier is needed for the prediction of its final in situ properties after the hydration and thermal transient in a radioactive waste repository. As ...
  • The FEBEX benchmark test: case definition and comparison of modelling approaches 

    Alonso Pérez de Agreda, Eduardo; Alcoverro Bassols, Jordi; Coste, F.; Selvadurai, A. P. S.; Tsang, C.-F.; Malinsky, L.; Merrien-Soukatchoff, V.; Kadiri, I.; Nowak, T.; Shao, H.; Nguyen, T.S.; Armand, G.; Sobolik, S.R.; Itamura, M.; Stone, C.M.; Webb, S.W.; Rejeb, A.; Tijera, Manuel; Maouche, Z.; Kobayashi, A.; Kurikami, H.; Ito, A.; Sugita, Y.; Chijimatsu, M.; Börgesson, L.; Hernelind, J.; Rutqvist, J.; Jussila, P. (Elsevier, 2005)
    Article
    Open Access
    The FEBEX (Full-scale Engineered Barriers Experiment in Crystalline Host Rock) ‘‘in situ’’ test was installed at the Grimsel Test Site underground laboratory (Switzerland) and is a near-to-real scale simulation of the ...
  • THM numerical models 

    Gens Solé, Antonio; Zandarín, Maria Teresa (2009-10-26)
    External research report
    Open Access
    Deliverable 12
  • Water retention properties and microstructure of bentonite pellets/powder mixture 

    Molinero Guerra, Agustín; Mokni, Nadia; Cui, Yu-Jun; Minh Tang, Anh; Aimedieu, Patrick; Delage, Pierre; Bernier, Frédéric; Bornert, Michel (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
    Conference report
    Open Access