ALERT Workshop 2004
11^th-13^th October 2004, Aussois, France

DAY 1, MONDAY, OCTOBER 11
Degradations and Ageing of Geomaterials
Coordinators: B. Sluys and J. Vaunat

• Reactive-diffusive-chemoplasticity for structuration (aging) of saturated soils (T. Hueckel, L. B. Hu)
• Implicit integration of mixed isotropic-kinematic hardening elasto-plastic model for structured soils (A. Amorosi, D. Boldini)
• Recent advances in modelling destructuration of soft natural clays (M. Karstunen)
• Microstructure and compactive instabilities of a stabilised residue (M. Arroyo, R. Nova, M. Tsige)
• Attrition and particle breakage under monotonic and cyclic loading (F. Mayoraz, L. Vulliet, L. Laloui)
• Elasto-plastic deformation of granular materials (R. Garcia-Rojo, H.J. Hermann)
• On diffusion/coupled analysis of discontinuities and cracks with zero-thickness interface elements (J.M. Segura, I. Carol)
• Creep-damage constitutive relation for concrete: experiments and constitutive modelling (G. Pijaudier-Cabot, M. Omar, A. Loukili, Y. Le Pape)
• Effects of confinement on the fracture properties of concrete (D. Sfer, I. Carol)
• Local and nonlocal anisotropic damage models for quasi-brittle materials (R. Desmorat)
• Continuous-discontinuous modelling for failure in geomaterials (A. Simone, L.J. Sluys)
• Multi-scale thermomechanical coupling in brittle rupture (J.B. Colliat, A. Ibrahimbegovic, L. Davenne)
• Indentation for determination of mechanical properties and damage diagnosis in natural building stones (E. Papamichos, S.-A. Papanicolopulos, I. Larsen, L. Alnas)
• Comparison of experiment versus conceptual contact model to study the joint asperity degradation process (M. Sharifzadeh, Y. Mitani, T. Esaki)
• Compaction bands and permeability reduction: experimental and numerical study of Tuffeau de Maastricht rock (T. Baxevanis, E. Papamichos, O. Florens)
• Aspects of modelling of degradation of mudstones (A. Gens, J. Vaunat)

DAY 2, TUESDAY, OCTOBER 12
Gravitational Flows and Structure Vulnerability
Coordinators: F. Calvetti and F. Nicot

• The rheophysical approach in the study of natural gravity-driven flows (C. Ancey)
• Flowslide in pyroclastic soils: triggering mechanisms (L. Cascini)
• Numerical Modelling of Fast Slope Movements (M.Pastor, J.A.Fernandez Merodo, P.Mira, M.I.Herreros, E.Gonzalez, M.Quecedo, R.Tamagnini)
• Numerical analysis of non-isothermal multiphase geomaterials with application to the initiation of landslides (L. Sanavia and B.A. Schrefler)
• Fluidization in artesian conditions (H. Steeb, I. Vardoulakis)
• Influence of heterogeneity on slope stability (M.A. Hicks)
• Rock mass fragmentation and slope stability, geological point of view (T. Villemin,  F. Donzé)
• Rockfall impacts: experiments and modelling (F. Calvetti, C. di Prisco)
• Comparison of different DEM approaches (S. Hentz, F. Calvetti)
• Failure mechanism of rock falls (M. Frayssines, D. Hantz)
• Vulnerability of concrete structures under seismic loadings, modelling aspects (J. Mazars, P. Kotronis)
• Dicrete element modeling of the S.E. corner of Acropolis (C. Lambert, I. Stefanou, J. Galizzi, F. Donzé, I. Vardoulakis, F. Darve)
• Numerical modeling of debris flows and snow avalanches (B.W. McArdell, P. Bartelt)
• A micro-directional model for cohesive-frictional materials, application to a snowpack (F. Nicot, F. Darve)
• A framework for the constitutive modelling of dry snow (S. Cresseri, C. Jommi)

DAY 3, WEDNESDAY, OCTOBER 13
Multiscale Approachs in Geomechanics
Coordinators: M. Jirasek and J. Lewandowska

• The role of structural mechanics in material analysis and design
  (A. Ibrahimbegovic, D. Markovic and D. Brancherie)
• Macroscopic description of the site-city seismic interaction
  (C. Boutin and P. Roussillon)
• Multiscale approach to modeling of fiber reinforced cementitious composites (P. Kabele)
• Multi-scale modeling of damage in masonry structures (T. Massart)
• Numerical tools for analysis of hierarchical composites (M. Lefik)
• About flow and transport phenomena in rotating soil sample
  (J.-L. Auriault and Ch. Geindreau)
• Hydro-mechanical modelling of expansive clays using a double structure approach (M. Sanchez, A. Gens and J. Vaunat)
• Darcy-scale modelling of dissolution patterns in porous media
  (M. Quintard)
• Infiltration in double-porosity soils: experiments and comparison with modelling (J. Lewandowska, A. Szymkiewicz, W. Gorczewska and M. Vauclin)
• Fluctuations inside shearbands (H. Herrmann)
• Micromechanics of dilatancy fluctuations in shear bands
  (F. Alonso-Marroquin and I. Vardoulakis)
• Micro-mechanics and continuum mechanics approaches for granular media (F. Froiio, I. Vardoulakis and D. Caillerie)
• Coupled finite element for local second gradient model in saturated porous media (F. Collin, R. Chambon and R. Charlier)
• Finite element studies on shear localization in granular bodies within extended hypoplasticity (J. Tejchman)
• An improved microplane model for concrete with mixed mode fracture (F. C. Caner, Z. P. Bazant and I. Carol)
• Discrete approach for studying fracture of brittle materials (A. Delaplace)
• Development of a new mechanical model for rock joint, application to an evaluation of the scale effect (F. Vallier, Y. Mitani, M. Boulon and T. Esaki)
• Nonlocal damage model with transition to discrete crack (M. Jirasek and S. Marfia)