Exploració per altres contribucions "Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques"

Ara es mostren els items 1-20 de 692

    • 3D DEM simulations of CPT in sand 

      Butlanska, Joanna; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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)
      Text en actes de congrés
      Accés obert
      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 modelling of strip reinforced MSE walls 

      Puig Damians, Ivan; Bathurst, Richard; Olivella Pastallé, Sebastià; Lloret Morancho, Antonio; Josa Garcia-Tornel, Alejandro (Springer, 2021-03)
      Article
      Accés obert
      This paper reports the results of 3D numerical modelling of a 6-m-high mechanically stabilised earth (MSE) wall constructed with concrete panels and steel or polymeric strip reinforcement. These systems pose numerical ...

    • 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 bridge foundation analysis 

      Puig Damians, Ivan; Olivella Pastallé, Sebastià; Josa Garcia-Tornel, Alejandro (2011)
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      This document presents the analysis with CODE_BRIGHT finite element program of a geotechnical case. The problem analyzed is related to a mechanical analysis of soilstructure interaction considering different alternatives ...

    • A constitutive model for the accumulated strain of unsaturated soil under high-cycle traffic loading 

      Cao, Zhigang; Chen, Jingyu; Alonso Pérez de Agreda, Eduardo; Ramon Tarragona, Anna; Cai, Yuanqiang; Gu, Chuan; Zhang, Qi (2021-05)
      Article
      Accés obert
      The road base is normally situated above the water table and thus in unsaturated state. Experimental results show that the accumulated strains of the unsaturated road base aggregate under high-cycle traffic loads are ...

    • A contact model for rough crushable sand 

      Zhang, Ningning; Ciantia, Matteo Oryem; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (2021-06)
      Article
      Accés obert
      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
      Accés restringit per política de l'editorial
      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 densification mechanism to model the mechanical effect of methane hydrates in sandy sediments 

      de la Fuente Ruiz, María; Vaunat, Jean; Marín Moreno, Héctor (2020-04)
      Article
      Accés obert
      Recent pore-scale observations and geomechanical investigations suggest the lack of true cohesion in methane hydrate-bearing sediments (MHBSs) and propose that their mechanical behavior is governed by kinematic constrictions ...

    • 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
      Accés obert
      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 fully coupled elastic–plastic hydromechanical model for compacted soils accounting for clay activity 

      Della Vecchia, G.; Romero Morales, Enrique Edgar; Jommi, Cristina (2012-01-11)
      Article
      Accés restringit per política de l'editorial
      A constitutive model, accounting for multiphase and multiscale coupling, is proposed for the water retention domain and the stress–strain response of compacted clayey soils. The model is based on a conceptual interpretation ...

    • A microstructural cam clay model for hydro-mechanical behavior of unsaturated soils 

      Cordao Neto, Manoel Porfirio; Lima Lopes, Bruna de Carvalho Faria; dos Anjos Mascarenha, Marcia Maria; Romero Morales, Enrique Edgar (2017-01)
      Article
      Accés restringit per política de l'editorial
      In this paper, two new state variables are included in a conventional elastoplastic model, Modified Cam-clay, to incorporate the influence of pore size distribution changes in the mechanical behavior of unsaturated soils. ...

    • A microstructural model on the link between change in pore size distribution and wetting induced deformation in a compacted silt 

      Casini, Francesca; Vaunat, Jean; Romero Morales, Enrique Edgar (American Society of Civil Engineers (ASCE), 2013)
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      The water retention curve expressed in terms of water content or degree of saturation and suction is hysteretic, stress path dependent (on void ratio), and depends on pore network. To properly describe its evolving nature, ...

    • 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)
      Text en actes de congrés
      Accés obert
      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 column collapse apparatus for the characterisation of the flowability of granular materials 

      Torres Serra, Joel; Romero Morales, Enrique Edgar; Rodríguez Ferran, Antonio (2020-02)
      Article
      Accés obert
      The packaging industry is lacking a standard methodology to characterise the granular flow of a wide range of powders and grains in actual handling conditions. We present a new fully-instrumented granular column collapse ...

    • 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)
      Text en actes de congrés
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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 granular column collapse device to characterise flowability of bulk materials 

      Torres Serra, Joel; Romero Morales, Enrique Edgar; Rodríguez Ferran, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2018-07)
      Article
      Accés obert
      A wide range of bulk materials with different physical properties are nowadays handled in the packaging industry using different material conveying techniques. Nevertheless, experimental methodologies to characterise ...

    • A new high-pressure triaxial apparatus for inducing and tracking hydro-mechanical degradation of clayey rocks 

      Pineda Jiménez, Jubert Andrés; Romero Morales, Enrique Edgar; Alonso Pérez de Agreda, Eduardo; Pérez Revilla, Tomás (2014-11)
      Article
      Accés restringit per política de l'editorial
      This paper presents the development of a new high-pressure triaxial apparatus specifically prepared for inducing and tracking the degradation of clayey rocks. Total suction—used to induce the hydraulic degradation—is applied ...

    • A new method for exploiting mine geothermal energy by using functional cemented paste backfill material for phase change heat storage: design and experimental study 

      Liu, Hengfeng; Rodríguez Dono, Alfonso; Zhang, Jixiong; Zhou, Nan; Wang, Yanjun; Sun, Qiang; Zhang, Luobin (Elsevier, 2022-10)
      Article
      Accés restringit per política de l'editorial
      The research on mine geothermal energy exploitation has attracted global interest for many years. This paper proposes an innovative new method for geothermal-coal synergetic mining (GE-COSM) to expand the valorization of ...