4. Multiphysical Processes in Bentonite-Based Materials: Application to the EBS in Nuclear Waste Storage


Lyesse Laloui


  1. Introduction: engineering application of bentonite-based materials
    • Nuclear waste disposal
    • Petroleum industry
    • Geosynthetic clay liners
  2. Laboratory testing and experimental evidence on bentonite behaviour
    • Advanced testing facilities
    • Mineralogy and fabric characteristics
    • Hydro-mechanical (HM) behaviour
    • Thermo-hydro-mechanical (THM) behaviour
    • Chemo-hydro-mechanical (CHM) behaviour
  3. Theoretical approach for THCM numerical modelling
    • Formulation of balance equations
    • Effective stress in geomaterials
    • Stress – strain constitutive modelling
  4. Laboratory scale modelling
  5. Field scale modelling
    • The FEBEX in-situ test in Grimsel Laboratory
    • The Full-scale Emplacement at the Mont Terri Laboratory
  6. Closure

Supporting organization



Prof. Lyesse Laloui, EPFL
Prof. Alessio Ferrari, EPFL

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