Now showing items 1-20 of 253

    • 3D DEM simulations of CPT in sand 

      Butlanska, Joanna; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (2012)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Article
      Open Access
      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)
      Article
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - confidentiality agreement
      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 hybrid multiphase model based on Lattice Boltzmann method direct simulation 

      Montellà, E.P.; Yuan, C.; Chareyre, B.; Gens Solé, Antonio (CIMNE, 2019)
      Conference report
      Open Access
      By means of the multicomponent Shan-Chen lattice Boltzmann method (LBM), we investigate the multiphase flow through porous media. Despite the excellent accuracy of the LBM, large domains result in unaffordable computational ...
    • 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)
      Conference report
      Open Access
      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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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)
      Article
      Restricted access - publisher's policy
      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 ...
    • A new re-usable shallow foundation for light loads: load tests and analysis 

      Tarragó, Dani; Gens Solé, Antonio; Rosas, Juan José (International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE), 2017)
      Conference report
      Open Access
      An innovative re-usable shallow foundation system for light loads has been developed consisting of a concrete block and four steel tubes driven into the ground at different orientations. The interaction between the block, ...
    • A new strategy to simulate particle crushing in DEM analysis 

      Ciantia, Matteo Oryem; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio; Calvetti, Francesco (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
      Conference report
      Open Access
      The discrete element method (DEM) is progressively 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 numerical investigation of the incremental behavior of crushable granular soils 

      Ciantia, Matteo Oryem; Arroyo Alvarez de Toledo, Marcos; Calvetti, Francesco; Gens Solé, Antonio (2016-09)
      Article
      Open Access
      The mechanical behavior of granular materials is characterized by strong nonlinearity and irreversibility. These properties have been differently described by a variety of constitutive models. To test any constitutive ...
    • A pressuremeter-based evaluation of structure in London Clay using a kinematic hardening constitutive model 

      Rouainia, M.; Panayides, Stelios; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (Springer, 2020-08)
      Article
      Open Access
      The self-boring pressuremeter (SBP) test was designed to measure in situ engineering properties of the ground with a relatively small amount of disturbance. The properties that may be inferred from the test depend on the ...
    • 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
      Open Access
      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 simplified procedure to assess the dynamic stability of a caisson breakwater 

      Madrid, R.; Gens Solé, Antonio; Alonso Pérez de Agreda, Eduardo; Tarrago, Dani (2013)
      Conference report
      Restricted access - publisher's policy
      The paper describes a simplified method of analysis used to evaluate the stability of a caisson breakwater to sea wave actions. An intensive laboratory program was performed in order to evaluate the static and dynamic ...
    • A soft-rock model for cement-improved clays 

      Arroyo Alvarez de Toledo, Marcos; Ciantia, Matteo Oryem; Castellanza, R.; Gens Solé, Antonio (IOS Press, 2011)
      Conference report
      Restricted access - publisher's policy
    • A stable mesh-independent approach for numerical modelling of structured soils at large strains 

      Monforte Vila, Lluís; Ciantia, Matteo Oryem; Carbonell Puigbó, Josep Maria; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (Elsevier, 2019-12)
      Article
      Restricted access - publisher's policy
      We describe the large strain implementation of an elasto-plastic model for structured soils into G-PFEM, a code developed for geotechnical simulations using the Particle Finite Element Method. The constitutive model is ...
    • A structured constitutive model for simulating the behaviour of an overconsolidated bonded clay 

      González, Nubia A.; Gens Solé, Antonio; Arroyo Alvarez de Toledo, Marcos; Rouainia, Mohamed (CIMNE, 2011)
      Conference report
      Open Access
      The paper presents some improvements in the formulation of a kinematic hardening constitutive soil model incorporating structure initially proposed for soft clays. For the modelling of overconsolidated bonded clay the ...
    • A structured constitutive model for simulating the behaviour of an overconsolidated bonded clay 

      González, Nubia Aurora; Gens Solé, Antonio; Arroyo Alvarez de Toledo, Marcos; Rouainia, Mohamed (Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2011)
      Conference report
      Open Access
      The paper presents some improvements in the formulation of a kinematic hardening constitutive soil model incorporating structure initially proposed for soft clays. For the modelling of overconsolidated bonded clay the ...