• Dispersion in a foam
    Dispersion in a foam

    Evolution of a concentration pulse transported in a metal foam. Copyright IUSTI/CNRS and AMU

  • iMorph
    iMorph

    iMorph an open Source project for visualisation and morphological analysis of porous materials Copyright IUSTI/CNRS and AMU

  • Hybrid random walks for conducto-radiative heat transfer in refractory foams
    Hybrid random walks for conducto-radiative heat transfer in refractory foams
    A computational method developed at LCTS (Bordeaux). More details can be found here
  • ZSM-5 pore system

    generated by ZEOMICS, a computational zeolite characterization tool developed at Princeton University.

  • Mixing Front

    Mixing front in a porous media. Copyright FAST/CNRS and GMP/UBA

  • Bentonite grain expanding between sand grains - lms.epfl.ch/en

    Sand/Bentonite mixtures are used in EBS for confinement of hazardous wastes.

 Bentonite grain expanding between sand grains - lms.epfl.ch/en

hpepfl14

Description

Sand/Bentonite mixtures are used in EBS for confinement of hazardous wastes. These mixtures offer good mechanical properties inherited by the sandy skeleton and reduced transport properties due to the presence of the bentonite. The picture shows a bentonite assemblage which is swelling - as a consequence of the first wetting of an engineered barrier - and occupying a large pore between two sand grains. Once swollen, the bentonite will reduce the initial water permeability of the mixture of about three orders of magnitude.

Contact

Swiss Federal Institute of Technology, EPFL
Laboratory for Soil Mechanics, LMS

EPFL-LMS, GC Station 18, CH 1015 Lausanne
Switzerland
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Web page : lms.epfl.ch/en