Ara es mostren els items 1-20 de 135

  • A fully coupled elastic–plastic hydromechanical model for compacted soils accounting for clay activity 

    Della Vecchia, G.; Romero Morales, Enrique Edgar; Jommi, Cristina (2012-01-11)
    Article
    Accés restringit per política de l'editorial
    A constitutive model, accounting for multiphase and multiscale coupling, is proposed for the water retention domain and the stress–strain response of compacted clayey soils. The model is based on a conceptual interpretation ...
  • A microstructural model on the link between change in pore size distribution and wetting induced deformation in a compacted silt 

    Casini, Francesca; Vaunat, Jean; Romero Morales, Enrique Edgar (American Society of Civil Engineers (ASCE), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The water retention curve expressed in terms of water content or degree of saturation and suction is hysteretic, stress path dependent (on void ratio), and depends on pore network. To properly describe its evolving nature, ...
  • A new high-pressure triaxial apparatus for inducing and tracking hydro-mechanical degradation of clayey rocks 

    Pineda Jiménez, Jubert Andrés; Romero Morales, Enrique Edgar; Alonso Pérez de Agreda, Eduardo; Pérez Revilla, Tomás (2014-11)
    Article
    Accés restringit per política de l'editorial
    This paper presents the development of a new high-pressure triaxial apparatus specifically prepared for inducing and tracking the degradation of clayey rocks. Total suction—used to induce the hydraulic degradation—is applied ...
  • A practical method for suction estimation in unsaturated soil testing 

    Amaral, M.F.; Viana da Fonseca, A.; Romero Morales, Enrique Edgar; Arroyo Alvarez de Toledo, Marcos (CRC Press, 2013)
    Text en actes de congrés
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    This research presents an alternative methodology to estimate suction in triaxial tests carried out under constant water content. A preliminary determination of the retention curve is proposed using two complementary ...
  • A review of expansive phenomena in Wagenburg North Tunnel 

    Berdugo de Moya, Iván Rafael; Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar; Gens Solé, Antonio; Albis, María (2009-12-31)
    Article
    Accés obert
    The paper deals on tunnelling and swelling in anhydritic-gypsiferous claystones. The geology of the Gipskeuper in Baden-Württemberg (Germany) and the phenomenology of expansions in Wagenburg North tunnel are described. ...
  • A rockfill triaxial cell with suction control 

    Chavez, C.; Romero Morales, Enrique Edgar; Alonso Pérez de Agreda, Eduardo (2009-05)
    Article
    Accés restringit per política de l'editorial
    This paper describes the development of a new triaxial cell specifically built to test coarse granular material under partially saturated conditions. The partial saturation is achieved by imposing a total suction that is ...
  • Ageing effects on the small-strain stiffness of a bio-treated compacted soil 

    Morales, Laura; Romero Morales, Enrique Edgar; Jommi, Cristina; Garzón Garzón, Eduardo; Giménez, Antonio (2015-09)
    Article
    Accés obert
    The effect of ageing on the small-strain shear stiffness of compacted silty-clayey sand following a ‘soft’ biological treatment is discussed. Samples were prepared by static compaction, adding urea-degrading bacteria to ...
  • Ageing effects on the stiffness behaviour of a microbiologically treated and compacted soil 

    Morales, Laura; Romero Morales, Enrique Edgar; Pineda Jiménez, Jubert Andrés; Garzon, E.; Giménez, Antonio (Springer, 2012)
    Text en actes de congrés
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    The paper describes an experimental study aimed at evaluating the evolution of some mechanical properties, specifically small-strain stiffness and unconfined compressive strength, induced by ageing after a microbiological ...
  • Air injection experiments on Opalinus clay: experimental techniques, results and analyses 

    Romero Morales, Enrique Edgar; Marschall, P (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
  • Air injection tests in two argillaceous rock formations: experimental results and modelling 

    González Blanco, Laura; Romero Morales, Enrique Edgar; Li, Xiang Ling; Sillen, X.; Marschall, Paul; Jommi, Cristina (CRC Press, 2016)
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    Air flow through two argillaceous rock formations is investigated on the basis of laboratory work and its modelling to help in the interpretation of the results. Priority in the experimental program has been given to study ...
  • Air tests on low-permeability claystone formations: experimental results and simulations 

    Romero Morales, Enrique Edgar; Senger, R.K.; Marschall, P; Gómez Bonilla, Rodrigo Andrés (Springer, 2012)
    Text en actes de congrés
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    The paper presents the results of an experimental investigation aimed at characterising the water and air permeability properties of low-permeability claystone formations from a Mesozoic sequence in Northern Switzerland. ...
  • ALERT Doctoral School 2012: advanced experimental techniques in geomechanics 

    Viggiani, Gioacchino; Hall, Stephen A.; Romero Morales, Enrique Edgar; Tudisco, E.; Musso, G.; Jommi, C.; Santamarina, J. Carlos (ALERT Geomaterials, 2012-10)
    Llibre
    Accés obert
    The twenty-second session of the European Graduate School 2012 (called usually ALERT Doctoral School) entitled Advanced experimental techniques in geomechanics is organized by Cino Viggiani, Steve Hall and Enrique Romero.
  • An experimental study on the compaction and collapsible behaviour of a flood defence embankment fill 

    El Mountassir, G.; Sánchez, Marcelo; Romero Morales, Enrique Edgar (2014-09)
    Article
    Accés restringit per acord de confidencialitat
    With renewed interest in the performance of flood embankments globally, it is important that the performance of fills in conditions similar to 'as-constructed' are scrutinised. The fill material investigated in this study ...
  • An insight into the water retention properties of compacted clayey soils 

    Romero Morales, Enrique Edgar; Della Vecchia, G.; Jommi, Cristina (2011-04)
    Article
    Accés restringit per política de l'editorial
    Experimental data from different testing methodologies on different compacted clayey soils, with dominant bimodal pore size distribution, are presented and analysed, to provide a comprehensive picture of the evolution of ...
  • Analysis of swelling in tunnels excavated in sulphate claystones 

    Berdugo de Moya, Iván Rafael; Guimarães, Leonardo do N; Alonso Pérez de Agreda, Eduardo; Gens Solé, Antonio; Romero Morales, Enrique Edgar (2009)
    Text en actes de congrés
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    The paper summarizes the main phenomenological aspects of swelling in tunnels excavated in sulphate claystones and formulates a series of theoretical consideration for their coupled hydro-mechanical-chemical analysis. The ...
  • Analysis of the collapse behaviour of a natural soil using the Barcelona Basic Model 

    Mascarenha, Marcia Mª dos Anjos; Cordao Neto, Manoel Porfirio; Murrieta, P.; Romero Morales, Enrique Edgar (CRC Press, 2009)
    Capítol de llibre
    Accés restringit per política de l'editorial
    The analysis of the hydro-mechanical and microstructural behaviour of a natural collapsible silty clay is presented in this paper. The analysis allowed concluding that a conventional model can be applied for the levels of ...
  • Análise do comportamento de solos não saturados a pequenas deformações 

    Mascarenha, Marcia Mª dos Anjos; Cordao Neto, Manoel Porfirio; Murrieta dos Santos Neto, Pedro; Romero Morales, Enrique Edgar; Alonso Pérez de Agreda, Eduardo (2008)
    Text en actes de congrés
    Accés obert
    Nos últimos anos tem aumentado o interesse no meio geotécnico em relação ao comportamento dos solos a pequenas deformações, sendo que a maioria das pesquisas estão relacionadas a solos saturados, não considerando a influência ...
  • Análisis del comportamiento de terraplenes conformados con materiales potencialmente expansivos 

    Ortega, J.I.; Lloret Morancho, Antonio; Olivella Pastallé, Sebastià; Romero Morales, Enrique Edgar (Centro de Estudios y Experimentación de Obras Públicas (CEDEX), 2009)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Los progresos alcanzados en la moderna Mecánica del Suelo No Saturado han permitido el desarrollo de nuevos métodos de análisis de la respuesta de explanadas y terraplenes frente a cambios ambientales (lluvia, temperatura, ...
  • Anisotropic behaviour of compacted clayey silt subjected to hydromechanical paths 

    Buenfil, Carlos; Romero Morales, Enrique Edgar; Lloret Morancho, Antonio; Gens Solé, Antonio (E3S Web of Conferences, 2016)
    Comunicació de congrés
    Accés obert
    Compaction induces anisotropy on soil deformational response due to preferential straining associated with the fabrication process. An experimental insight into the stress-strain response of Barcelona clayey silt is provided ...
  • Anisotropic features on the thermal conductivity of a deep argillaceous formation 

    Romero Morales, Enrique Edgar; Sau Valenzuela, Núria; Lima, Analice; Van Baelen, H; Sillen, X.; Li, Xiang Ling (IOS Press, 2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    An experimental study on Ypresian clays – one of the potential deep and sedimentary clay formations in Belgium for the geological disposal of heat-emitting radioactive waste – has been undertaken to systematically study ...