Presentations of the ALERT Workshop 2011

ALERT Workshop 2011
3rd-5th October 2011, Aussois, France

Multi-Scale Geomechanics: From Fabric to Material Properties
Coordinators: G. Couples and B. Chareyre

  • Continuum/micro-structural second gradient models: Application to Terzaghi consolidation (A. Madeo, F. dell’ Isola)
  • Modelling of lime treatment effects on soils using level set enhanced computational tools (B. Sonon, M.A. Hashemi, F. Bertrand, T. Massart)
  • Double structure effects on the chemo-hydro-mechanical behaviour of a compacted active clay (M. Guido, E. Romero, G. della Vecchia)
  • A microstructure analysis of the water retention properties of a natural loess (J. Munoz-Castelblanco, P. Delage, J.M. Pereira, Y.J. Cui)
  • Fabric evolution and dynamical patterns in sand to molten planetesimals: Does from follow function or vice versa? (A. Tordesillas)
  • A micromechanically derived micropolar elastoplastic model for granular materials (E. Gerolymatou)
  • Stress probing via DEM simulations for the identification of plastic mechanisms of a model granular material under stress axis rotation (F. Froiio, J.-N. Roux)
  • From discrete particle interactions to emergent properties of granular media: The frustration of fabric and redundancy (C. Thornton)
  • Invited overview of network flow methods (R. van Dijke, A. Ryazanov, K. Wu, Z. Jiang, J. Ma, K.S. Sorbie, S. McDougall, G. Couples)
  • Predicting the fluid-flow characteristics of a deformed sandstone (E.-M. Charalampidou, K. Wu, Z. Jiang, R. van Dijke, H. Lewis, G. Couples, S. Hall, C. Viggiani)
  • Microscale modelling for the study of hydromechanical properties of geomaterials (E. Catalano, B. Chareyre, A.T. Tong, E. Barthélémy)
  • Numerical modelling of underwater avalanches (P. Mutabaruka, J.-Y. Delenne, F. Radjaï, S. Kenichi)
  • Microstructure characterisation of Canadian Oil sands (D.H. Doan, P. Delage, J.F. Nauroy, S. Youssef, E. Rosenberg, H. Marmet, A.M. Tang, M. Mainguy)
  • Experimental determination of the Constriction Size Distribution for granular filters (J. Sjah, E. Vincens)

Geomechanical issues in CO2 storage
Coordinators: G. Pijaudier-Cabot and J.M. Pereira

  • Assessing  the sealing efficiency of caprocks for CO2 geological storage purpose (D. Broseta, N. Tonnet)
  • Unstructured grid simulation of hydromechanical effects in fractured reservoirs duringCO2 injection (R- Annewandter, S. Geiger, I. Main, S. Matthai)
  • Microseismicity illuminates open fractures in the shallow crust (R. Lunn, S. Pytharouli, Z. Shipton, J. Kirkpatrick, A. Farias do Nascimento)
  • Numerical analysis of the gas migration mechanisms in clayey rocks in the context of radioactive waste disposal (P. Gérard, F. Collin, J.-P. Radu, R. Charlier)
  • Fluid Leakage from Pressurized Storage Formations (A.P.S. Selvadurai)
  • Quantifying magnitudes and rates of CO2 leakage from natural analogues: Implications for monitoring and remediation techniques for geological CO2 storage (N.M. Burnside, Z.K. Shipton, B. Dockrill, R. Ellam)
  • Some attempts to upscale mass transfer properties from pore size distributions in porous materials (F. Khaddour, D. Grégoire, G. Pijaudier-Cabot)
  • CO2 storage in coal seams: A reservoir model which couples adsorption and strain (S. Nikoosokhan, m. Vandamme, P. Dangla)
  • A non-local damage model for heterogeneous rocks – application to rock fracturing evaluation and gas injection conditions (D. Seyedi, N. Guy, F. Hild, S. Meunier, S. Granet)
  • Poromechanics of microporous solids – thermodynamics based modelling (R. Vermorel, G. Pijaudier-Cabot, C. Miqueu, B. Mendiboure, D. Grégoire)
  • Contribution to the understanding of chemo-mechanical coupling in soils (J. Lewandowska)
  • A macroscopic modeling of continuous decalcification of CSH in the context of the carbonation of cement-based materials (J. Shen, P. Dangla, M. Thiery)
  • Influence of the chemical degradation on mechanical behaviour and permeability of a petroleum cement paste (I. Yurtdas, S.Y. Xie, N. Burlion, J.F. Shao, J. Saint-Marc, A. Garnier)

Localized versus diffuse failure in geomaterials
Coordinators: M. Hicks and G. Viggiani

  • Anatomy of granular failure: The how, why, and what of diffuse versus localized modes (A. Tordesillas)
  • Finite element simulation of strain localization in unsaturated soils (P. Arnold, M. Hicks)
  • Borehole stability in fluid saturated chalk (E. Papamichos, R. Flatebo, T.G. Kristiansen)
  • Characterization of the strain localization in a porous rock in plane strain condition using a new true-triaxial apparatus (P. Bésuelle, S. Hall)
  • Diffuse failure mechanism in a vertical breakwater foundation induced by impulsive sea wave actions (M.M. Stickle, M. Pastor, P. Dutto)
  • Micro-structural basis of the second-order works in granular media (F. Nicot, N. Hadda, F. Bourrier, L. Sibille, F. Radjaï, F. Darve)
  • Experimental analysis of diffuse failure in loose sands under different loading paths (A. Daouadji, M. Jrad, B. Sukumaran, F. Darve)
  • Shear strength of soft soils from mining deposits (I. Herle, D. Masín, V. Kostkanová, C. Karcher)
  • Failure modes observed in submarine landslides (K. Soga)
  • Modelling the post-failure stage for rainfall-induced landslides of the flow-type (S. Cuomo, L. Cascini, M. Pastor)
  • Full-field characterization of localized deformation and damage in soft granular rock (E. Tudisco, S. Hall, G. Viggiani, P. Roux)
  • The role of the characteristic length in the propagation of compaction bands in high porosity cemented materials (G. Dattola, I. Redaelli, C. di Prisco, S. Utili)
  • Excavation damage zone and permeability evolution modelling in indurated clays based on a micromechanical approach (S. Levasseur, F. Collin, R. Charlier, D. Kondo)

Special ALERT Lecture 2011
Prof. Tomasz Hueckel, professor at Duke University, Durham

  • Plasticity of geomaterials in a variable environment

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