Ara es mostren els items 93-112 de 202

    • 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
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
      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
      Accés restringit per política de l'editorial
      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)
      Article
      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 ...
    • Influence of the microstructure on the hydro-mechanical behaviour of a natural silty clay. 

      Mascarenha, Marcia Mª dos Anjos; Cordao Neto, Manoel Porfirio; Romero Morales, Enrique Edgar (Taylor & Francis, 2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
    • Insight into decision support systems for sustainable geotechnical engineering 

      Karagianni, Pavlina; Romero Morales, Enrique Edgar; Mariano, Alessandra di; Priegue Mayán, Ángel Diego (EWG-DSS — EURO Working Group on Decision Support Systems, 2019)
      Text en actes de congrés
      Accés obert
      Geotechnical engineering has a significant role in sustainability, due to its early place in the construction process and thus with a higher possibility to limit the impact of the project. Nevertheless, there is a lack of ...
    • Investigation of crack desiccation in soil from a flood protection embankment 

      Atique, A.; Sánchez, M.; Romero Morales, Enrique Edgar (CRC Press, 2009)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Drying causes shrinkage in soils and may yield the formation of crack. This paper reports on various experimental observations on desiccation tests performed in the laboratory under controlled conditions over samples of ...
    • Laboratory experiments on swelling due to crystal growth in sulphate argillaceous rocks 

      Deu, Amadeu; Romero Morales, Enrique Edgar; Berdugo de Moya, Iván Rafael (CRC Press, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Crystal growth is a frequent cause of expansive deformations in natural soils, compacted soils, rocks and concrete. The sulphate crystallization in discontinuities and cracks due to evaporation of highly mineralized solutions ...
    • Laboratory tests on swelling due to crystal growth in sulphate bearing rocks 

      Deu Lozano, Amadeu; Romero Morales, Enrique Edgar; Plaza, À.; Berdugo de Moya, Iván Rafael (CRC Press, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Precipitation of sulphate crystals in discontinuities due to evaporation of sulphate solutions is an important contribution to the degradation and swelling behavior of sulphate bearing argillaceous rocks. Although the ...
    • Large cell triaxial tests of a partially saturated soil with vegetation 

      Fraccica, Alessandro; Romero Morales, Enrique Edgar; Fourcaud, Thierry (EDP Sciences, 2023)
      Article
      Accés obert
      The use of vegetation roots as a nature-based solution against landslides and erosion requires the definition of sample preparation protocols and adoption of equipment that allows testing representative elementary volumes ...
    • Low-strain shear modulus dependence on water content of a natural stiff clay 

      Lima, A; Romero Morales, Enrique Edgar; Pineda, Jubert Edgar; Gens Solé, Antonio (2008)
      Text en actes de congrés
      Accés obert
      This paper shows the results of an experimental programme aimed at evaluating the low-strain shear modulus of a stiff clay (Boom clay, Belgium) and its dependency on water content changes (or, alternatively, degree of ...
    • Mechanical behavior of an unsaturated clayey silt: an experimental and constitutive modelling study 

      Romero Morales, Enrique Edgar; Sánchez, Marcelo; Gai, Xuerui; Barrera Bucio, Mauricio; Lloret Morancho, Antonio (2019-10)
      Article
      Accés obert
      This paper reports an experimental study and subsequent constitutive modelling focused on the stress-strain and volumetric response during deviatoric stress application of a partially saturated clayey-silt. The material ...
    • Mechanical characteristics and water retention properties of unsaturated 'bentonite-based engineered barrier materials' based on controlled-suction tests 

      Yamamoto, Shuichi; Sato, Shin; Tomoyuki, Shimura; Romero Morales, Enrique Edgar; NISHIMURA, Tomoyoshi; OWADA, Hitoshi (Japan Society of Civil Engineers, 2019-07)
      Article
      Accés restringit per política de l'editorial
      Bentonite-based engineered barrier materials transfer from unsaturated state as emplaced to saturated state after closure of deep geological disposal facilities for radioactive waste, while decrease in saturation could ...
    • Microbiological induced carbonate (CaCO3) precipitation using clay phyllites to replace chemical stabilizers (cement or lime) 

      Morales Hernández, Laura; Garzón Garzón, Eduardo; Romero Morales, Enrique Edgar; Sánchez Soto, Pedro José (2019-06)
      Article
      Accés obert
      The objective of the present study is to develop a biotechnological tool for a new application of clay phyllites as stabilized materials in linear works replacing chemical stabilizer (e.g. cement or lime) by natural cement, ...