Now showing items 1-20 of 315

    • 10th Terzaghi Oration: Geotechnical engineering in a deltaic environment 

      Gens Solé, Antonio (2022)
      Conference report
      Restricted access - publisher's policy
      Two case histories involving harbour works in a deltaic environment are described in the paper. The mechanisms underlying delta formation and development are outlined first; they involve climate changes, geological processes ...
    • 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 ...
    • 3D simulations of gas injection on callovo-oxfordian claystone assuming spatial heterogeneity and anisotropy 

      Puig Damians, Ivan; Olivella Pastallé, Sebastià; Gens Solé, Antonio (Elsevier, 2022-11)
      Article
      Open Access
      A series of gas injection tests on Callovo-Oxfordian (COx) claystone from the Bure underground research laboratory (URL) in France were carried out at the British Geological Survey (BGS). The tests were performed using a ...
    • 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 contact model for rough crushable sand 

      Zhang, Ningning; Ciantia, Matteo Oryem; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (2021-06)
      Article
      Open Access
      Sand roughness is now accessible to measurement. Incorporating this parameter into sand models using the discrete element method (DEM) is known to improve bulk small strain response. In this work we explore the effect on ...
    • 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 framework for the time-dependent behaviour of soft structured clays 

      Mánica Malcom, Miguel Ángel; Ovando-Shelley, Efrain; Jaramillo, Eduardo Botero; Gens Solé, Antonio; Vaunat, Jean (2022)
      Conference report
      Restricted access - publisher's policy
      From the combination of existing modelling approaches, a constitutive framework is presented for the numerical modelling of soft structured clays. The formulation accounts, in a natural way, for time-dependent phenomena ...
    • A full-scale in situ heating test in Callovo-Oxfordian claystone: observations, analysis and interpretation 

      Tourchi, Saeed; Vaunat, Jean; Gens Solé, Antonio; Bumbieler, F.; Vu, Minh-Ngoc; Armand, G. (Elsevier, 2021-05)
      Article
      Open Access
      The paper describes the performance, observations and numerical interpretation of a full-scale in situ heating test conducted on Callovo-Oxfordian (COx) claystone in the Meuse / Haute-Marne (MHM) Underground Research ...
    • 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 approach to evaluate the soil disturbance due to tube sampling 

      Gens Solé, Antonio; Monforte Vila, Lluís; Arroyo Alvarez de Toledo, Marcos; Carbonell Puigbó, Josep Maria (2022)
      Conference report
      Restricted access - publisher's policy
      Disturbance of specimens recovered by tube sampling from boreholes is an enduring relevant problem in geotechnical engineering. Practice has evolved slowly in this area, partly because the main research method applied, ...
    • 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 Munté, Daniel; 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 nonlocal elasto-plastic model for structured soils at large strains for the particle finite element method 

      Monforte Vila, Lluís; Ciantia, Matteo Oryem; Carbonell Puigbó, Josep Maria; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (Springer, 2021)
      Part of book or chapter of book
      Restricted access - publisher's policy
      This work presents a robust and mesh-independent implementation of an elasto-plastic constitutive model at large strains, appropriate for structured soils, into a Particle Finite Element code specially developed for ...
    • 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 ...