Ara es mostren els items 1-20 de 177

  • 3D DEM simulations of CPT in sand 

    Butlanska, Joanna; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (2012)
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    The paper contains an overview of the results obtained in a research project exploring the ability of 3D DEM models to reproduce cone penetration in sands. The sand whose behaviour is mimicked by the discrete material ...
  • 3D Interpretation of an in situ heating test in the callovo-oxfordian mudstone 

    Garitte, Benoit; Vaunat, Jean; Gens Solé, Antonio; Armand, G. (2010)
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    In order to improve the understanding of the thermo-hydro-mechanical (THM) behaviour of the Callovo-Oxfordian Clay, an in situ heating test (TER experiment) has been realized by ANDRA at Meuse/Haute Marne URL during the ...
  • A 1-D Thermo-Hydro-Mechanical model of the middle section of canister retrieval test 

    Zandarín, Maria Teresa; Olivella Pastallé, Sebastià; Gens Solé, Antonio; Alonso Pérez de Agreda, Eduardo (2009)
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    In this papera 1-D model simulation of the middle section of Canister Retrieval Test, conducted at the Áspo Hard Rock Laboratory, is presented. The model considers the MX-80 bentonite block, the bentonite-rock interface ...
  • A constitutive model for partially saturated soils 

    Alonso Pérez de Agreda, Eduardo; Gens Solé, Antonio; Josa Garcia-Tornel, Alejandro (Institution of Civil Engineers (http://www.ice.org.uk/), 1990)
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    The Paper presents a constitutive model for describing the stress-strain behaviour of partially saturated soils. The model is formulated within the framework of hardening plasticity using two imdependent sets of stress ...
  • A cross-anisotropic formulation for elasto-plastic models 

    Mánica Malcom, Miguel Ángel; Gens Solé, Antonio; Vaunat, Jean; Ruiz Restrepo, Daniel Felipe (2016-06)
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    A cross-anisotropic formulation for elasto-plastic constitutive models based on a non-uniform scaling of the stress tensor is described. Taking advantage of the material symmetries characterising cross-anisotropy, only two ...
  • A DECOVALEX-2011 benchmark: laboratory drying test in opalinus clay 

    Garitte, Benoit; Gens Solé, Antonio; Liu, Quansheng; Liu, Xiaoyan; Millard, Alain; Bond, Alex; McDermott, Chris; Fujita, Tomoo; Nakatama, Shigeo (2009)
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    In this paper, a benchmark exercise from the DECOVALEX-2011 project is presented. Experimental results from a laboratory drying test in Opalinus Clay are used. First, the DECO- V ALEX project and the teams of the benchmark ...
  • A multi-disciplinary approach to assess the impact of global climate change on infrastructure in cold regions 

    Toumi, Ralf; Strasser, Fleur; Rutter, Paul; Rutter, Paul; Reifen, Catherine; Clarke, Jim; Fenton, Clark; Gens Solé, Antonio; Jardine, Richard; Martin, Chris; Nethercot, David; Satoshi, Nishimura; Olivella Pastallé, Sebastià (2008)
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    Imperial College London is researching with BP some potential impacts of future climate change. BP has a significant number of facilities in cold high-latitude regions, where global climate models predict significant rises ...
  • Análisis retrospectivos en problemas geotécnicos: aplicación al control de precargas 

    Santos Rodríguez, Cristian de; Ledesma Villalba, Alberto; Gens Solé, Antonio (Sociedad Española de Mecánica del Suelo e Ingeniería Geotécnica, 2016)
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    Este artículo muestra el potencial de los análisis retrospectivos como herramienta de control en problemas de Ingeniería Geotécnica y en particular en el control de precargas. La precarga es un método tradicional de mejora ...
  • Analysis of a full scale in situ test simulating repository conditions 

    Gens Solé, Antonio; García Molina, Ángel; Olivella Pastallé, Sebastià; Alonso Pérez de Agreda, Eduardo; Huertas, F. (Wiley, 1998)
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    Coupled thermo-hydro-mechanical (THM) analyses have been used to examine the interacting phenomena associated with the simultaneous heating and hydration of an engineered bentonite barrier placed in a drift excavated in ...
  • Analysis of ground movements induced by diaphragm wall installation 

    Garitte, Benoit; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (CRC Press, 2010)
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    The construction process of diaphragm walls can lead to movements in the surrounding area that are seldom taken into account. However, these movements may be important in situations where soft soils dominate. In this ...
  • Analysis of strain localization with a non-local plasticity model 

    Mánica Malcom, Miguel Ángel; Gens Solé, Antonio; Vaunat, Jean; Ruiz Restrepo, Daniel Felipe (2017)
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    Strain localization can be defined as the accumulation of deformations in narrow zones, in the form of shear bands or cracks, commonly observed in several geomaterials like concrete, rocks, dense sands, or stiff fine-grained ...
  • 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)
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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 excavation of a deep drift in a tertiary clay 

    Vaunat, Jean; Gens Solé, Antonio; de Vasconcelos, R.; Li, X.-L. (International Centre for Computational Engineering, 2011)
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    This paper tackles the issues related to the excavation of a horizontal gallery carried out in Boom clay, a tertiary clay that hosts the Underground Laboratory of the Belgium Nuclear Agency (SCK-CEN). The gallery is 85 m ...
  • 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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    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 ...
  • Analysis of unsaturated clayed materials hydration incorporating the effect of thermo-osmotic flow 

    Sanchez, Marcelo; Arson, Chloé; Gens Solé, Antonio (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
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  • Analysis of unsaturated materials hydration incorporating the effect of thermo-osmotic flow 

    Sánchez, Marcelo; Arson, Chloé; Gens Solé, Antonio; Aponte, Fernando (Elsevier, 2016-06)
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    The geological disposal of a high level radioactive waste relies in a system composed of engineered and geological barriers. The soils and rocks involved in the design of this type of solution are generally initially ...
  • An Approach to enhance efficiency of DEM modelling of soils with crushable grains 

    Ciantia, Matteo; Arroyo Alvarez de Toledo, Marcos; Calvetti, Francesco; Gens Solé, Antonio (Thomas Telford, 2015-02)
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    In this study oedometric compression tests of hydrocarbon coke, Fontainebleau sand and silica sand are simulated in three dimensions using breakable particles. The method adapts a rigorous breakage criterion for elasto-brittle ...
  • An elastoplastic model for the THM analysis of freezing soils 

    Satoshi, Nishimura; Gens Solé, Antonio; Olivella Pastallé, Sebastià; Jardine, Richard (2009)
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    By employing a combination of ice pressure, liquid pressure and total stress as state variables, a new thermoplastic constitutive model has been developed that encompasses frozen and unfrozen behaviour within a unified ...
  • A new efficient strategy to simulate particle breakage in DEM analyses 

    Ciantia, Matteo Oryem; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio; Calvetti, Francesco (2014)
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    The discrete element method (DEM) is increasingly gaining acceptance as a modelling tool for engineering problems of direct geotechnical relevance. One area for which the method seems naturally well adapted is that of ...
  • A new modelling approach for unsaturated soils using independent stress variables 

    Sheng, Daichao; Fredlund, Delwyn G.; Gens Solé, Antonio (2008-04)
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    Although a number of constitutive models for unsaturated soils exist in the literature, some fundamental questions have not been fully answered. There are questions related to (i) the change of the yield stress with soil ...