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Ara es mostren els items 64-83 de 89

    • Nonlocal plasticity modelling of strain localisation in stiff clays 

      Mánica Malcom, Miguel Ángel; Gens Solé, Antonio; Vaunat, Jean; Ruíz, Daniel F. (Elsevier, 2018-11)
      Article
      Accés obert
      The paper addresses the numerical simulation of strain localisation in stiff clays that exhibit softening behaviour. An elastoplastic constitutive model developed to incorporate key features of stiff clay behaviour is ...

    • Numerical modelling of slope–vegetation–atmosphere interaction: an overview 

      Elia, Gaetano; Cotecchia, Federica; Pedone, Giuseppe; Vaunat, Jean; Vardon, Philip J.; Pereira, Carlos; Springman, Sarah Marcella; Rouainia, M.; Van Esch, John; Koda, Eugeniusz; Josifovski, Josif; Nocilla, Alessandra; Askarinejad, Amin; Stirling, Ross; Helm, Peter; Lollino, Piernicola; Osinski, Piotr (2017-08)
      Article
      Accés obert
      The behaviour of natural and artificial slopes is controlled by their thermo-hydro-mechanical conditions and by soil–vegetation–atmosphere interaction. Porewater pressure changes within a slope related to variable ...

    • Numerical simulation of underground excavations in an indurated clay using non-local regularisation. Part 1: formulation and base case 

      Mánica Malcom, Miguel Ángel; Gens Solé, Antonio; Vaunat, Jean; Armand, Gilles; Vu, Minh-Ngoc (2022-12)
      Article
      Accés obert
      The paper presents the numerical simulation of an underground excavation in the Callovo-Oxfordian argillaceous formation, performed in the Meuse/Haute-Marne underground research laboratory, within the context of deep ...

    • Numerical simulation of underground excavations in an indurated clay using non-local regularisation. Part 2: Sensitivity analysis 

      Mánica Malcom, Miguel Ángel; Gens Solé, Antonio; Vaunat, Jean; Armand, Gilles; Vu, Minh-Ngoc (2022-12)
      Article
      Accés obert
      A sensitivity study is presented to evaluate the influence of different parameters on the simulation of an underground excavation in the Callovo-Oxfordian (COx) argillaceous formation performed in the Meuse/Haute-Marne ...

    • Performance of large diameter storage and sealing structures in a deep exothermic waste repository 

      Alonso, Matías; Vaunat, Jean; Olivella Pastallé, Sebastià; Gens Solé, Antonio; Vu, Minh-Ngoc (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The paper presents the work carried out to assess and simulate numerically the phenomenology behind the response of large diameter intermediate-level long-lived nuclear waste (ILW-LL) storage galleries and the corresponding ...

    • Pérdida de suelo en laderas bajo cambio climático. procesos físicos, modelación predictiva y posibles estrategias de mitigación : el proyecto de investigación “Smucphy” 

      Hurlimann Ziegler, Marcel; Vaunat, Jean; Oorthuis Gómez, Raül; Lloret Morancho, Antonio; Moya Sánchez, José; Puig i Polo, Càrol; Fraccica, Alessandro; Pinyol Guamis, Jordi; Gonzalez Parés, Marta; Buill Pozuelo, Felipe; Núñez Andrés, María Amparo; Romero Morales, Enrique Edgar; Abanco Martínez de Arenzana, Claudia; Martínez Bofill, Joan; Raïmat, Carles; Copons Llorens, Ramon (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2017)
      Text en actes de congrés
      Accés obert
      RESUMEN: Este proyecto de investigación estudia los mecanismos de la pérdida de suelos en zonas montañosas mediante un método multidisciplinar y el trabajo a diferentes escalas. Uno de los objetivos principales es analizar ...

    • Pérdida de suelo en laderas bajo cambio climático: procesos físicos, modelación predictiva y posibles estrategias de mitigación - El proyecto de investigación “SmuCPhy” 

      Hurlimann Ziegler, Marcel; Vaunat, Jean; Oorthuis Gómez, Raül; Lloret Morancho, Antonio; Moya Sánchez, José; Puig i Polo, Càrol; Fraccica, Alessandro; Buill Pozuelo, Felipe; Núñez Andrés, María Amparo; Romero Morales, Enrique Edgar; Abanco Martínez de Arenzana, Claudia; Martínez Bofill, Joan (International Centre for Numerical Methods in Engineering (CIMNE), 2017)
      Text en actes de congrés
      Accés obert
      Este proyecto de investigación estudia los mecanismos de la pérdida de suelos en zonas montañosas mediante un método multidisciplinar y el trabajo a diferentes escalas. Uno de los objetivos principales es analizar el efecto ...

    • Predictive modelling of an excavation test in indurated clay 

      Garitte, Benoit; Vaunat, Jean; Gens Solé, Antonio; Vietor, Tim (2010)
      Text en actes de congrés
      Accés obert
      This abstract presents the predictive hydromechanical (HM) modelling of an excavation performed in Opalinus clay in the Mont Terri underground laboratory.

    • Progressive emergence of double porosity in a silt during compaction 

      Casini, Francesca; Vaunat, Jean; Romero Morales, Enrique Edgar; Desideri, Augusto (CRC Press, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The paper deals with an experimental investigation of water retention properties of a statically compacted unsaturated low plasticity silt. The objective is a deeper understanding of the evolution of an aggregate type ...

    • Simulation aided testing of hydro-mechanical processes on clay 

      Merchán, V; Romero Morales, Enrique Edgar; Vaunat, Jean (2010-06-10)
      Article
      Accés obert
      This paper presents a study focused on the hydro-mechanical behaviour of a plastic clay under partially saturated conditions. Clay remoulded samples were dried using vapour transfer under one-dimensional conditions. Samples ...

    • Simulation aided testing of hydro-mechanical processes on clay 

      Merchán, V; Romero Morales, Enrique Edgar; Vaunat, Jean (2011)
      Text en actes de congrés
      Accés obert
      This paper presents a study focused on the hydro-mechanical behaviour of a plastic clay under partially saturated conditions. Clay remoulded samples were dried using vapour transfer under one-dimensional conditions. Samples ...

    • Slope orientation and vegetation effects on soil thermo-hydraulic behavior: an experimental study 

      Oorthuis Gómez, Raül; Vaunat, Jean; Hurlimann Ziegler, Marcel; Lloret Morancho, Antonio; Moya Sánchez, José; Puig i Polo, Càrol; Fraccica, Alessandro (2021-01)
      Article
      Accés obert
      The stability and erosion of natural and man-made slopes is influenced by soil-vegetation-atmosphere interactions and the thermo-hydro-mechanical slope conditions. Understanding such interactions at the source of slope ...

    • Small-strain shear stiffness of compacted clays: initial state and microstructural features 

      Suriol Castellví, Josep; Romero Morales, Enrique Edgar; Lloret Morancho, Antonio; Vaunat, Jean (CRC Press, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The small-strain shear stiffness of compacted Barcelona silty clay is studied focusing on the effects of the initial state and the microstructure set on compaction. The Proctor plane is used to map these states, which cover ...

    • Smoothing of yield surfaces and a reformulation of multi-surface plasticity 

      Gesto Beiroa, José Manuel; Gens Solé, Antonio; Vaunat, Jean (CIMNE, 2011)
      Text en actes de congrés
      Accés obert
      In this work we describe a procedure for the smoothing of non-regular yield surfaces and plastic potential functions. We also present several application examples corresponding to different weell-known cases. Moreover, we ...

    • Smoothing of yield surfaces and a reformulation of multi-surface plasticity 

      Gesto Beiroa, José Manuel; Gens Solé, Antonio; Vaunat, Jean (Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2011)
      Text en actes de congrés
      Accés obert
      In this work we describe a procedure for the smoothing of non-regular yield surfaces and plastic potential functions. We also present several application examples corresponding to different well-known cases. Moreover, we ...

    • Suction effects on the residual shear strength of clays 

      Romero Morales, Enrique Edgar; Vaunat, Jean; Merchán, Vladimir (2014)
      Article
      Accés restringit per política de l'editorial
      The paper presents an experimental study on the residual shear strength of different clayey soils at varying total suctions. In a first part of the paper some insight into the behaviour of residual shear strength of a ...

    • Swelling behaviour of compacted Maryland clay under different boundary conditions 

      Yuan, Shengyang; Buzzi, Olivier; Liu, Xiaobo; Vaunat, Jean (Thomas Telford, 2019-06)
      Article
      Accés obert
      This paper presents an experimental study on the swelling response of compacted Maryland clay specimens subjected to hydration under a range of boundary conditions. The research is multi-scale with swelling tests complemented ...

    • The effect of thermal cycles on limestone mechanical degradation 

      Villarraga Díaz, C. J.; Gasc Barbier, M.; Vaunat, Jean; Darrozes, José (Elsevier, 2018-09)
      Article
      Accés obert
      This work presents the results of an experimental program performed to study the effect of long series of moderate thermal cycles on the mechanical response of a limestone rock. Samples were exposed to more than 1000 ...

    • The influence of drying on the small strain shear modulus for static compacted Boom clay 

      Vaunat, Jean; Merchán, V; Romero Morales, Enrique Edgar (CRC Press, 2009)
      Capítol de llibre
      Accés restringit per política de l'editorial
      This paper presents experimental results concerning the influence of drying and compaction on the small strain shear modulus (G0) of samples of a Boom clay reconstituted in the laboratory. For that purpose, samples of Boom ...

    • The MUSE network: research outcomes 

      Toll, D. G.; Gallipoli, Domenico; Augarde, C. E.; Gennaro, V. de; Mancuso, C.; Tarantino, A; Vaunat, Jean; Wheeler, S. J. (CRC Press. Taylor & Francies Group, 2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      TheMUSEproject ("Mechanics of Unsaturated Soils for Engineering") was a Research Training Network funded by the European Commission from 2004 until 2008. The network produced a unique data set of laboratory test results ...