Ara es mostren els items 83-102 de 202

    • Gas migration in a Cenozoic clay: experimental results and numerical modelling 

      González Blanco, Laura; Romero Morales, Enrique Edgar; Jommi, Cristina; Li, Xiang Ling; Sillen, X. (Elsevier, 2016-06)
      Article
      Accés obert
      Gas migration through a potential host clay formation for the geological disposal of radioactive waste in Belgium is experimentally investigated in the laboratory, and numerical modelling is performed to help in the ...
    • Gas migration in sand/bentonite mixtures through preferential paths 

      Arnedo Gaute, Diego; Alonso Pérez de Agreda, Eduardo; Olivella Pastallé, Sebastià; Romero Morales, Enrique Edgar (2011)
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      Sand/bentonite mixtures are considered as buffer material in low and medium radioactive waste disposal schemes. While the bentonite provides low permeability and swelling capacity, the sand is intended to improve mechanical ...
    • Gas migration process in deformable clay formations 

      Romero Morales, Enrique Edgar; Gonzalez-Blanco, Laura (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
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    • Gas transport in a binary bentonite mixture used in sealing systems 

      Mesa Alcantara, Arisleidy; Romero Morales, Enrique Edgar; Mokni, Nadia (EDP Sciences, 2023)
      Article
      Accés obert
      Binary mixtures composed of 80% of high-density pellets and 20% of granular bentonite at hygroscopic water content are currently considered for use in vertical sealing systems for the deep and longterm disposal of radioactive ...
    • Gas transport in granular compacted bentonite: coupled hydro-mechanical interactions and microstructural features 

      González Blanco, Laura; Romero Morales, Enrique Edgar; Marschall, Paul (EDP Sciences, 2020-10)
      Article
      Accés obert
      The initial conditions (dry density and saturation state), the stress state and its history, and the deformation undergone during gas migration, affect the gas transport processes in granular compacted bentonite. Additionally, ...
    • Heating pulse tests under constant volume on natural Boom clay 

      Lima, Analice; Romero Morales, Enrique Edgar; Gens Solé, Antonio; Muñoz, Juan Jorge; Li, X.L. (2009)
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      Boom clay formation is a potential natural host rock for geological disposal of High Level Nuclear Waste in Belgium. Heating pulse tests with controlled power supply (maximum temperature was limited to 85ºC) and controlled ...
    • Heating pulse tests under constant volume on natural Boom clay. Experimental results and numerical simulations 

      Lima, Analice; Romero Morales, Enrique Edgar; Vaunat, Jean; Gens Solé, Antonio; Li, X.L. (2009)
      Text en actes de congrés
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      Boom clay is a potential geological host formation for High Level Nuclear Waste in Belgium. Impact of thermal loads may play an important role on this clay formation. To this aim, heating pulse tests on intact borehole ...
    • Heating pulse tests under constant volumen on natural Boom clay. 

      Lima, Analice; Romero Morales, Enrique Edgar; Gens Solé, Antonio; Muñoz, Juan Jorge; Li, Xiangling (Science Press, 2010-08-20)
      Article
      Accés obert
      Boom clay formation is a potential natural host rock for geological disposal of high-level nuclear waste in Belgium. Heating pulse tests with controlled power supply (maximum temperature was limited to 85°C) and controlled ...
    • Hydration kinetics of compacted low-density bentonite 

      Dieudonné, A.C.; Charlier, R.; Romero Morales, Enrique Edgar (CRC Press, 2014)
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      The hydration kinetics of a compacted low-density bentonite is investigated from both experimental and numerical points of view. A water retention curve and water permeability under saturated conditions were determined to ...
    • Hydro-mechanical behaviour of bentonite pellet mixtures 

      Hoffmann Jauge, Christian; Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar (Elsevier, 2007)
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      Accés obert
      Granular mixtures made of high-density pellets of bentonite are being evaluated as an alternative buffer material for waste isolation. Ease of handling is an often-mentioned advantage. The paper described the experimental ...
    • Hydro-mechanical behaviour of sandy silt under generalised stress conditions 

      Romero Morales, Enrique Edgar; Cárdenas, Octavio E.; Lloret Morancho, Antonio; Weber, Rodrigo C. (E3S Web of Conferences, 2016)
      Comunicació de congrés
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      This paper presents results on the deformation response of an artificially prepared sand-silt mixture in a hollow cylinder apparatus. The wetting stage was performed under constant mean net stress (p¿=200 kPa) and deviatoric ...
    • Hydro-mechanical response to gas transfer of deep argillaceous host rocks for radioactive waste disposal 

      González Blanco, Laura; Romero Morales, Enrique Edgar; Marschall, Paul; Levasseur, Severine (2022-03)
      Article
      Accés obert
      During recent decades, argillaceous sedimentary formations have been studied as potential host formations for the geological disposal of long-living and heat-emitting radioactive waste—Boom Clay in Belgium and Opalinus ...
    • Hydromechanical behaviour of compacted granular expansive mixtures: experimental and constitutive study 

      Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar; Hoffmann Jauge, Christian (2011-04-01)
      Article
      Accés restringit per política de l'editorial
      Compacted granular mixtures of high-density bentonite pellets have been evaluated as an alternative buffer material to fill the empty space around nuclear waste disposal canisters in horizontal drifts. Despite the obvious ...
    • Hygroscopicity issues in powder and grain technology 

      Torres Serra, Joel; Romero Morales, Enrique Edgar; Rodríguez Ferran, Antonio (The Hong Kong University of Science and Technology (HKUST), 2018)
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      The effect of hygroscopicity on flowability of powders and bulk solids with applications in the packaging industry is experimentally and numerically investigated. Firstly, four granular materials are tested at different ...
    • Ice formation in unsaturated frozen soils 

      Mao, Yanxin; Romero Morales, Enrique Edgar; Gens Solé, Antonio (The Hong Kong University of Science and Technology (HKUST), 2018)
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      This paper presents a procedure for determining unfrozen water saturation in a partially saturated frozen soil (clayey silt) using bulk electrical conductivity (EC) measurements. A modification of Archie’s law is proposed ...
    • Impact of colloidal silica treatment on an earthfill dam 

      Fraccica, Alessandro; Spagnoli, Giovanni; Romero Morales, Enrique Edgar; Arroyo Alvarez de Toledo, Marcos (American Society of Civil Engineers (ASCE), 2022)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The impact of the use of sand treated with Colloidal Silica (CS) on a model 80 m high-earthfill dam was assessed through numerical modelling. The hydro-mechanical properties of the CS-Treated soil were taken from a previous ...
    • Importance of sample volume changes and material degradation on gas transport properties in Boom Clay 

      González Blanco, Laura; Romero Morales, Enrique Edgar; Li, Xiang Ling; Sillen, X. (Engineers Australia, 2014)
      Text en actes de congrés
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      An experimental study on Boom Clay –one of thepotential deep clay formationsin Belgium for the geological disposal of long-living and heat-emitting radioactive waste–has been performed using controlled volume-rate gas ...
    • Inclusion of chemical effect in a fully coupled THM finite element code 

      Abed, A. A.; Solowski, W; Romero Morales, Enrique Edgar; Gens Solé, Antonio (The Hong Kong University of Science and Technology (HKUST), 2018)
      Comunicació de congrés
      Accés obert
      Bentonite-rich clays can be used as a buffer / backfill material in deep geological repositories for nuclear waste. The prediction of the long-term performance of a buffer / backfill in such a complex environment, where ...
    • Influence of electroosmotic treatment on the hydro-mechanical behaviour of clayey silts: preliminary experimental results 

      Gabrieli, L.; Jommi, Cristina; Musso, G.; Romero Morales, Enrique Edgar (2008)
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      Accés restringit per política de l'editorial
      Preliminary results of an investigation focused on the influence of electrokinetic treatment on the mechanical and hydraulic behaviour of clayey soils are presented. The experimental programme aims at providing a contribution ...
    • Influence of soil microstructure on air permeability in compacted clay 

      Viet, Hoang Nguyen; Pineda Jiménez, Jubert Andrés; Romero Morales, Enrique Edgar; Sheng, Daichao (Thomas Telford, 2021-05)
      Article
      Accés obert
      This paper describes an experimental study aimed at evaluating the influence of soil microstructure on air permeability in compacted clay. Air permeability measurements, estimated using the gas pressure decay method, were ...