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Measurement of mechanical properties of thin clay films and comparison with molecular simulations

  • Centre national de la recherche scientifique
  • Massachusetts Institute of Technology
  • Aix-Marseille Université
  • Massachusetts Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

Here, we focus on the hydromechanical behavior of self-standing clay films with a thickness of a few dozen microns. We measure their elastic and creep properties and how those properties depend on the interlayer cation and on the relative humidity (or water content). Those experimental results are compared with the elastic and creep behavior of nanometric clay particles, which we characterize by molecular simulations. Significant qualitative differences between the behavior of the clay films and that of the clay particles are observed, which suggests that the hydromechanical behavior of the clay films is significantly impacted by their mesostructure (i.e., by how the clay particles or tactoids are arranged in space). Upscaling the hydromechanical behavior of the clay films from that of the clay particles may be challenging.

Original languageEnglish
Title of host publicationAdvances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017
EditorsFerrari Ferrari, Lyesse Laloui, Ferrari Ferrari
PublisherSpringer Verlag
Pages78-84
Number of pages7
ISBN (Print)9783319527727
DOIs
Publication statusPublished - 1 Jan 2017
EventInternational Workshop on Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017 - Villars-sur-Ollon, Switzerland
Duration: 18 Jan 201720 Jan 2017

Publication series

NameSpringer Series in Geomechanics and Geoengineering
ISSN (Print)1866-8755
ISSN (Electronic)1866-8763

Conference

ConferenceInternational Workshop on Advances in Laboratory Testing and Modelling of Soils and Shales, ATMSS 2017
Country/TerritorySwitzerland
CityVillars-sur-Ollon
Period18/01/1720/01/17

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