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Ara es mostren els items 139-158 de 312

    • Factors controlling rock–clay buffer interaction in a radioactive waste repository 

      Gens Solé, Antonio; Guimarães, Leonardo do N; García Molina, Ángel; Alonso Pérez de Agreda, Eduardo (Elsevier, 2002)
      Article
      Accés obert
      The paper examines the interaction between host rock and a clay-based engineered barrier in the context of deep underground disposal of high-level radioactive waste. A large scale ‘‘in situ’’ heating test currently under ...

    • Feasibility of constructing a full-scale radioactive high-level waste disposal cell and characterization of its thermo-hydro-mechanical behavior 

      Bumbieler, F.; Plúa, Carlos; Tourchi, Saeed; Vu, Minh-Ngoc; Vaunat, Jean; Gens Solé, Antonio; Armand, G. (Elsevier, 2021-01)
      Article
      Accés obert
      Within the context of deep geological radioactive waste disposal, the French National Radioactive Waste Management Agency (Andra) is conducting a research program including in-situ experiments at the Meuse/Haute-Marne ...

    • Fluid effects in sand production simulations coupling DEM with CFD 

      Climent Pera, Natalia; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio; O'Sullivan, Catherine (CRC Press Taylor & Francis Group, 2014)
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      Sand production around a wellbore is here simulated using a three dimensional numerical model based on Discrete Element Method (DEM) coupled with Computational Fluid Dynamics (CFD). The model is calibrated against a ...

    • Formulation for the THMC analysis of clayey materials: application to radioactive waste disposal 

      Gens Solé, Antonio; Guimarães, Leonardo do N; Fernández, A.M.; Sánchez, M.; Olivella Pastallé, Sebastià (American Society of Civil Engineers (ASCE), 2008)
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      A fully coupled formulation combining reactive transport and an existing thermo-hydro-mechanical (THM) code is briefly described. Special attention has been given to phenomena likely to be encountered in clay barriers used ...

    • Freezing-thawing tests on natural pyroclastic samples 

      Pelaez, R.R; Casini, Francesca; Romero Morales, Enrique Edgar; Gens Solé, Antonio; Viggiani, Giulia M.B. (CRC Press, 2014)
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      Artificial Ground Freezing is one of the construction techniques that were extensively adopted during construction of Line 1 of Napoli Underground, to ensure stability and waterproofing of the platform tunnels and inclined ...

    • Fully coupled thermo-hydro-mechanical double-porosity formulation for unsaturated soils 

      Sánchez, Marcelo; Gens Solé, Antonio; Victoria Villar, María; Olivella Pastallé, Sebastià (2016-12)
      Article
      Accés obert
      This work presents a fully coupled formulation developed to handle engineering problems in unsaturated (and saturated) soils that present two dominant void levels. The proposed framework assumes the presence of two porous ...

    • Fundamentals of soil behaviour 

      Gens Solé, Antonio (2009)
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      The paper reviews in summary form the generalised behaviour of soils under nonisothermal and chemically varying conditions. This generalised soil behaviour underlies the performance of a number of ground improvement ...

    • G-PFEM numerical assessment of screw pile undrained capacity 

      Monforte Vila, Lluís; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio; Ciantia, Matteo Oryem (University of Dundee, 2019)
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      This contribution describes a preliminary parametric analysis of the factors affecting the pull-out resistance of screw-piles in undrained conditions. The numerical simulations rely on the Particle Finite Element method, ...

    • G-PFEM: an open access numerical tool for the simulation of spudcan penetration in clays 

      Ciantia, Matteo Oryem; Dilberoglu, Emre; Monforte Vila, Lluís; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio; Carbonell Puigbó, Josep Maria (2022)
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      Penetration depth of Spudcan foundations for offshore mobile Jack-up rigs is typically predicted by considering a wished-in-place foundation at different depths and following traditional bearing capacity approaches. However, ...

    • Gas effect on CPTu and dissipation test carried out on natural soft-soil of Barcelona Port 

      Tarragó Munté, Daniel; Gens Solé, Antonio (CRC Press, 2018)
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      There is abundant evidence that gas is present in the sediments of the prodelta of the Llobregat River in the area of the Barcelona Port. The presence of gas has been directly observed by gas releases and deflagrations ...

    • Generalized plasticity for geomaterials with double structure 

      Gens Solé, Antonio; Sánchez, Marcelo; Valleján, Beatriz (CIMNE, 2011)
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      The paper presents a double structure constitutive model based on a generalized plasticity formalism. The behaviour of macrostructure, microstructure and their interactions are described. A coupled hydromechanical formulation ...

    • Generalized plasticity for geomaterials with double structure 

      Gens Solé, Antonio; Sánchez, Marcelo; Valleján, Beatriz (Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2011)
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      The paper presents a double structure constitutive model based on a generalized plasticity formalism. The behaviour of macrostructure, microstructure and their interactions are described. A coupled hydromechanical formulation ...

    • Geomechanics of shale repositories: mechanical behavior and modeling 

      Mánica Malcom, Miguel Ángel; Ruiz Restrepo, Daniel Felipe; Vaunat, Jean; Gens Solé, Antonio (John Wiley & sons, 2020)
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      This chapter presents an overview of modeling frameworks available within the theory of elastoplasticity and able to capture main features of shale behavior including: yield under compression, failure under deviatoric ...

    • Geotechnical particle finite element method for modeling of soil-structure interaction under large deformation conditions 

      Carbonell Puigbó, Josep Maria; Monforte Vila, Lluís; Ciantia, Matteo Oryem; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (Science Press, 2022-06)
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      Accés obert
      The possibilities of the particle finite element method (PFEM) for modeling geotechnical problems are increasingly evident. PFEM is a numerical approach to solve large displacement and large strain continuum problems that ...

    • Grading evolution and critical state in a discrete numerical model of Fontainebleau sand 

      Ciantia, Matteo Oryem; Arroyo Alvarez de Toledo, Marcos; O'Sullivan, Catherine; Gens Solé, Antonio; Liu, T. (Thomas Telford, 2019-01)
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      Accés obert
      Granular materials reach critical states upon shearing. The position and shape of a critical state line (CSL) in the compression plane are important for constitutive models, interpretation of in situ tests and liquefaction ...

    • Ground movement control in the construction of a new metro line in Barcelona 

      Gens Solé, Antonio; Mariano, Alessandra di; Gesto Beiroa, José Manuel; Schwarz, H (CRC Press, 2005)
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      Ground movement control is of paramount importance in the construction of a new Metro line in Barcelona given the large diameter of the excavation and the need to cross heavily built areas. A variety of construction ...

    • 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 ...

    • Hidratación de un relleno compactado que contiene agregados de alta densidad 

      Lloret Morancho, Antonio; Gens Solé, Antonio; Delahaye, Carlos Héctor; Alonso Pérez de Agreda, Eduardo; Facio, J.A. (1996-01)
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      Accés obert
      Se han investigado, mediante ensayos de laboratorio, las características de hidratación de mezclas expansivas constituidas por una matriz de polvo arcilloso y agregados (pastillas de pequeño tamaño) de arcilla de alta ...