Enviaments recents

  • On the hydration of unsaturated barriers for high-level nuclear waste disposal 

    Gens Solé, Antonio; Pomaro, Beatrice; Sánchez, Marcelo; Villar Galicia, María Victoria (The Hong Kong University of Science and Technology (HKUST), 2018)
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    Accés obert
    The paper addresses the topic of the effects of hydration and temperature on the final state of an engineered barrier composed of compacted bentonite. In particular the distributions of water content and dry density are ...
  • 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)
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    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 ...
  • 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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    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 ...
  • 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 ...
  • 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 ...
  • Three-dimensional analysis of penetration problems using G-PFEM 

    Monforte Vila, Lluís; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio; Carbonell Puigbó, Josep Maria (CRC Press, 2018)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Numerical simulation of large displacement problems in geomechanics has attracted the interest of many researchers over the past decades. In many circumstances these problems can be treated as two dimensional: plane stress ...
  • DEM modelling of dynamic penetration in granular material 

    Zhang, Ming; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio; Ciantia, Matteo O. (CRC Press, 2018)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Dynamic penetration has been widely employed in some site investigation procedures and for the installation of driven piles. A 3-dimensional discrete element method model has been developed to simulate dynamic rod penetration ...
  • Large test to study the role of soil-air interaction in soil cracking 

    Cordero Arias, Josbel Andreina; Prat Catalán, Pere; Ledesma Villalba, Alberto; Cuadrado Cabello, Agustín (The Hong Kong University of Science and Technology (HKUST), 2018)
    Text en actes de congrés
    Accés obert
    Soil surfaces in contact with the atmosphere are interfaces where different processes play an important role in triggering the formation of cracks due to desiccation. Empirical evidence shows that variables such as solar ...
  • Effects of compaction on desiccation cracking of clayey soils 

    Demagistri, Agustín; Ledesma Villalba, Alberto; Cordero Arias, Josbel Andreina; Moreno, Raúl; Prat Catalán, Pere; Jacinto, Abel Carlos (The Hong Kong University of Science and Technology (HKUST), 2018)
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    Cracking in desiccating soils is an important topic in soil compacted works. This paper presents an experimental study on the effect of compaction on the cracking of a silty clay soil, which was subjected to drying conditions. ...
  • Analysis of the hydration of an unsaturated seal 

    Ruiz Restrepo, Daniel Felipe; Vaunat, Jean; Gens Solé, Antonio; Mánica Malcom, Miguel Ángel (American Society of Civil Engineers (ASCE), 2018)
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    Accés restringit per política de l'editorial
    The paper contains a coupled numerical analysis of the hydration of a potential sealing system for isolating shafts, ramps, and connecting galleries in a deep geological repository for high level nuclear waste. The modeling ...
  • 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)
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    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 ...
  • Digital twins in civil and environmental engineering classrooms 

    Chacón Flores, Rolando Antonio; Sánchez Juny, Martí; Real Saladrigas, Esther; Gironella Cobos, Xavier; Puigagut Juárez, Jaume; Ledesma Villalba, Alberto (International Centre for Numerical Methods in Engineering (CIMNE), 2018)
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    Digital twins are understood as digital replica of physical models whose behavior can be observed simultaneously (digitally and physically) in real time. These tools are increasingly used in advanced industries for several ...

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