Browsing by Author "Olivella Pastallé, Sebastià"Més informacióMés informació

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    • 3D modelling of reinforced soil walls 

      Puig Damians, Ivan; Bathurst, Richard; Olivella Pastallé, Sebastià; Lloret Morancho, Antonio; Josa Garcia-Tornel, Alejandro (2017)
      Conference report
      Open Access
      This report summarizes the scope and conclusions of a 3D numerical modelling analysis of mechanically stabilized earth (MSE) walls constructed with concrete panels and strip reinforcement. These systems pose numerical ...

    • 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
      Open Access
      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 ...

    • 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 bridge foundation analysis 

      Puig Damians, Ivan; Olivella Pastallé, Sebastià; Josa Garcia-Tornel, Alejandro (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-15)
      Conference lecture
      Open Access
      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 soil structure interaction considering different alternatives ...

    • A bridge foundation analysis 

      Puig Damians, Ivan; Olivella Pastallé, Sebastià; Josa Garcia-Tornel, Alejandro (2011)
      Conference report
      Open Access
      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 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 model geomaterials with heterogeneous properties in thermo-hydro-mechanical coupled problems 

      Rodríguez Dono, Alfonso; Zhou, Yunfeng; Olivella Pastallé, Sebastià (Elsevier, 2023-07)
      Article
      Open Access
      The main objective of this article is to present a new approach to model coupled thermo-hydro-mechanical problems considering geomaterials with heterogeneous properties. This approach has been implemented in the software ...

    • A review of Beliche Dam 

      Alonso Pérez de Agreda, Eduardo; Olivella Pastallé, Sebastià; Pinyol Puigmartí, Núria Mercè (Institution of Civil Engineers (http://www.ice.org.uk/), 2005)
      Article
      Open Access
      Beliche Dam, a zoned earthdam with rockfill shouldersand a central clay core, experienced large collapse settlements due to reservoir impounding and direct action of rainfall. Long-term field records of vertical and ...

    • A study of the effects of suction and roughness on the mechanical behaviour of rock joints 

      Zandarín, Maria Teresa; Alonso Pérez de Agreda, Eduardo; Olivella Pastallé, Sebastià (2011)
      Conference report
      Restricted access - publisher's policy
      The experimental investigation focused on the effects of suction on the mechanical behaviour of rock joints. Available experimental data on the effect of moisture on joint behaviour is very scarce. Laboratory tests were ...

    • A thermo-hygro-mechanical model for concrete shrinkage: preliminary study 

      Puig Damians, Ivan; Olivella Pastallé, Sebastià (2018-04-09)
      Research report
      Open Access
      The concrete shrinkage is a common effect of the concrete material behavior during concrete strengthening. The shrinkage is usually a function of the particular concrete material features, its quality, curing process, ...

    • Advective gas flow in bentonite: development and comparison of enhanced multi-phase numerical approaches 

      Tamayo Mas, Elena; Harrington, J. F.; Puig Damians, Ivan; Olivella Pastallé, Sebastià; Radeisen, Eike; Rutqvist, Jonny; Wang, Y. (Elsevier, 2024-03)
      Article
      Open Access
      Understanding the impact of repository gas, generated from degradation of waste and its interaction with the host rock, is essential when assessing the performance and safety function of long-term disposal systems for ...

    • An elastoplastic model for the THM analysis of freezing soils 

      Satoshi, Nishimura; Gens Solé, Antonio; Olivella Pastallé, Sebastià; Jardine, Richard (2009)
      Conference report
      Open Access
      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 ...

    • Analysis and modelling of longitudinal deformation profiles of tunnels excavated in strain-softening time-dependent rock masses 

      Song, Fei; Rodríguez Dono, Alfonso; Olivella Pastallé, Sebastià; Zhong, Zhen (Elsevier, 2020-09)
      Article
      Open Access
      Rock mass behaviour model selection, in particular, to represent the post-failure behaviour and time-dependent behaviour of rock masses, are critical issues in the correct application of tunnelling design techniques such ...

    • 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)
      Article
      Open Access
      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 slope movement initiation induced by rainfall using the Elastoplastic Barcelona Basic Model 

      Jamei, M.; Guiras, H.; Olivella Pastallé, Sebastià (2015-10)
      Article
      Open Access
      In some arid and semi-arid regions, different types of infrastructure assets suffer from degradation of the roads, the embankment failures, erosion due to cyclic hydraulic actions and the effects of rainfall infiltration ...

    • Analysis of the extension of the elastic parameters for modelling highly expansive unsaturated soils with the Barcelona basic model 

      Alcoverro Bassols, Jordi; Pintado, Xavier; Olivella Pastallé, Sebastià; Toprak, Erdem; Niskanen, Mika (Hindawi, 2023-07)
      Article
      Open Access
      Modelling of engineered barrier systems (EBS) in deep geological disposals of spent nuclear fuel requires sophisticated approaches that include highly nonlinear constitutive models. The Barcelona Basic Model for Expansive ...

    • Analysis of the process of compaction movements of deposits of crushed salt tailings 

      Yubero de Mateo, Maria Teresa; Olivella Pastallé, Sebastià; Gens Solé, Antonio; Bonet Gil, Enrique; Lloret Morancho, Antonio; Alfonso Abella, María Pura (2021-11)
      Article
      Open Access

    • Análisis del comportamiento de terraplenes conformados con materiales potencialmente expansivos 

      Ortega, J.I.; Lloret Morancho, Antonio; Olivella Pastallé, Sebastià; Romero Morales, Enrique Edgar (Centro de Estudios y Experimentación de Obras Públicas (CEDEX), 2009)
      Conference report
      Restricted access - publisher's policy
      Los progresos alcanzados en la moderna Mecánica del Suelo No Saturado han permitido el desarrollo de nuevos métodos de análisis de la respuesta de explanadas y terraplenes frente a cambios ambientales (lluvia, temperatura, ...

    • Applications of multiphysical geomechanics in underground nuclear waste storage 

      Gens Solé, Antonio; Garitte, Benoit; Olivella Pastallé, Sebastià; Vaunat, Jean (Lavoisier Éditions, 2009)
      Article
      Open Access
      Deep geological disposal in suitable host rocks is the favoured strategy for the storage and disposal of heat-emitting high level nuclear waste. A rational design of repositories requires a good understanding of the ...