Ara es mostren els items 148-167 de 202

    • Radial stress paths in triaxial tests on compacted Boom clay: stiffness and anisotropy 

      Della Vecchia, G.; Jommi, Cristina; Romero Morales, Enrique Edgar (Kasetsart University, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Experimental results of triaxial tests performed on unsaturated soil samples of statically compacted Boom clay are presented. Boom clay samples we re subjected to radial stress paths at two different constant water contents: ...
    • Reducing water effects on the behaviour of coarse granular aggregates 

      Ramon Tarragona, Anna; Montserrat, Marina; Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar (International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE), 2019)
      Text en actes de congrés
      Accés restringit per decisió de l'autor
      Rockfill embankments, rockfill dams and ballast beds experience long term compression deformations under constant loading as well as collapse deformations when relative humidity (RH) increases. Particle breakage is at the ...
    • Reliability, repeatability and accuracy of the falling head method for hydraulic conductivity measurements under laboratory conditions 

      Pedescoll Albacar, Anna; Samsó Campà, Roger; Romero Morales, Enrique Edgar; Puigagut Juárez, Jaume; García Serrano, Joan (2010-07-08)
      Article
      Accés restringit per política de l'editorial
      The aim of this study was to verify under lab conditions the reliability, repeatability and accuracy of the falling head method (FHM) for hydraulic conductivity measurements. TheFHMis a reliable procedure that has slight ...
    • Reply to the discussion by Leong et al. on 'Assessment of the use of the vapour equilibrium technique in controlled-suction tests' 

      Pintado Llurba, Xavier; Lloret Morancho, Antonio; Romero Morales, Enrique Edgar (2009)
      Article
      Accés obert
    • Resistenza a trazione di un terreno con vegetazione parzialmente saturo 

      Fraccica, Alessandro; Romero Morales, Enrique Edgar; Fourcaud, Thierry (Edizioni AGI, 2022)
      Comunicació de congrés
      Accés obert
      Il rinforzo delle radici nel terreno è stato valutato in letteratura, a livello di sperimentazione di laboratorio, principalmente tramite percorsi di sollecitazione di compressione per carico o tramite prove di taglio ...
    • Restoring initial conditions in a deep argillaceous formation with induced suction on retrieval 

      Sau Valenzuela, Núria; Romero Morales, Enrique Edgar; Van Baelen, H (EDP Sciences, 2020-10)
      Article
      Accés obert
      The deep and plastic Ypresian clays (Ycs) are one of the potential host rock formations in Belgium for the geological disposal of heat-emitting radioactive waste. Consequently, their thermo-hydro-mechanical behaviour has ...
    • Shear strength and yield surface of a partially saturated sandy silt under generalized stress states 

      Weber Carreira, Rodrigo; Romero Morales, Enrique Edgar; Lloret Morancho, Antonio (2022-07)
      Article
      Accés obert
      This paper studies the hydromechanical behavior of a slightly compacted mixture of sand and clayey silt (30%/70%) under a generalized stress state. The experimental study focused on analyzing the yielding response and shear ...
    • Shear strength degradation in claystones due to environmental effects 

      Pineda Jiménez, Jubert Andrés; Romero Morales, Enrique Edgar; De Gracia, Manuel; Sheng, Daichao (Thomas Telford, 2014-05)
      Article
      Accés restringit per política de l'editorial
      This note explores the influence of environmental effects, as those induced by cyclic changes in relative humidity, on the degradation of the shear strength parameters in Lilla claystone, a low-porosity clayey rock from ...
    • Shear strength properties and collapse response of a sandy silt under generalized stress states 

      Romero Morales, Enrique Edgar; Cárdenas, Octavio E.; Lloret Morancho, Antonio; Weber, Rodrigo C.; Romero Merino, Enrique (American Society of Civil Engineers (ASCE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The paper presents preliminary results on the shear strength properties and collapse response of a compacted low-density mixture of fine sand and clayey silt in a hollow cylinder apparatus. Shear strength tests at two ...
    • Simulation aided testing of hydro-mechanical processes on clay 

      Merchán, V; Romero Morales, Enrique Edgar; Vaunat, Jean (2010-06-10)
      Article
      Accés obert
      This paper presents a study focused on the hydro-mechanical behaviour of a plastic clay under partially saturated conditions. Clay remoulded samples were dried using vapour transfer under one-dimensional conditions. Samples ...
    • Simulation aided testing of hydro-mechanical processes on clay 

      Merchán, V; Romero Morales, Enrique Edgar; Vaunat, Jean (2011)
      Text en actes de congrés
      Accés obert
      This paper presents a study focused on the hydro-mechanical behaviour of a plastic clay under partially saturated conditions. Clay remoulded samples were dried using vapour transfer under one-dimensional conditions. Samples ...
    • Small-strain shear stiffness of compacted bentonites for engineered barrier system 

      Pintado Llurba, Xavier; Romero Morales, Enrique Edgar; Suriol Castellví, Josep; Lloret Morancho, Antonio; Madhusudhan, B. N. (Elsevier, 2019-06)
      Article
      Accés obert
      The shear modulus (G) of two different bentonites was measured by means of a resonant column apparatus. The samples were compacted at different dry densities and degrees of saturation and tested with different confinement ...
    • Small-strain shear stiffness of compacted clays: initial state and microstructural features 

      Suriol Castellví, Josep; Romero Morales, Enrique Edgar; Lloret Morancho, Antonio; Vaunat, Jean (CRC Press, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The small-strain shear stiffness of compacted Barcelona silty clay is studied focusing on the effects of the initial state and the microstructure set on compaction. The Proctor plane is used to map these states, which cover ...
    • Some investigations about the tensile strength and the desiccation process of unsaturated clay 

      Trabelsi, H; Jamei, M.; Guiras, H.; Hatem, H; Romero Morales, Enrique Edgar; Olivella Pastallé, Sebastià (2010-06-10)
      Article
      Accés obert
      The current paper presents an investigation on the tensile strength of unsaturated clay, and a discussion about the significant differences between the behaviours of compacted soils and those of the completely remoulded ...
    • Some remarks on the hydro-mechanical constitutive modelling of natural and compacted Boom clay. 

      Della Vecchia, G.; Jommi, Cristina; Lima, Analice; Romero Morales, Enrique Edgar (Taylor & Francis, 2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Natural and compacted Boom clay have been extensively studied for their potential use as environmental barriers. In such applications, a series of coupled chemo-thermo-hydro-mechanical processes characterise the response ...
    • Stabilization of clayey soil using fibre reinforcement 

      Trabelsi, Houcem; Chebbi, M; Guiras, H.; Jamei, Mehrez; Romero Morales, Enrique Edgar (The Hong Kong University of Science and Technology (HKUST), 2018)
      Text en actes de congrés
      Accés obert
      The paper presents experimental and numerical investigations on crack evolution during desiccation, on unsaturated, compacted and reinforced clay using natural Alfa fibres. The effect of fibre content is investigated and ...
    • State of the Art Report. Advances in unsaturated soil mechanics: constitutive modelling, experimental investigation, and field instrumentation 

      Khalili, N.; Romero Morales, Enrique Edgar; Marinho, Fernando Antonio (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This state-of-the-art covers advances in the constitutive modelling, experimental investigation and field measurement of suction for unsaturated soils. It consists of three distinct parts. Part 1 is devoted to the constitutive ...
    • Study of grain-scale effects in bulk handling using discrete element simulations 

      Torres Serra, Joel; Rodríguez Ferran, Antonio; Romero Morales, Enrique Edgar (2021-04)
      Article
      Accés obert
      Industrial granular flow issues are affected by the particle properties and environmental conditions of the materials. To understand the impact of grain-scale effects on flowability, experimental testing should be complemented ...
    • Studying collapse behaviour of sandy silt under generalised stress conditions 

      Cárdenas, Octavio E.; WEBER, R; Romero Morales, Enrique Edgar; Lloret Morancho, Antonio; Suriol Castellví, Josep (IOS Press, 2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents preliminary results on the collapse response of an artificially prepared sand-silt mixture in a hollow cylinder apparatus. The wetting stage is performed under constant mean and deviatoric stresses but ...
    • Studying the thermal conductivity of a deep Eocene clay formation: direct measurements vs back-analysis results 

      Romero Morales, Enrique Edgar; Sau, Nuria; Lima, Analice; Van Baelen, H; Sillen, X.; Li, Xiangling (Elsevier, 2016-12)
      Article
      Accés obert
      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 its ...