Issue |
Rev. Fr. Geotech.
Number 169, 2021
Hommage à Pierre Habib et Pierre Duffaut
|
|
---|---|---|
Article Number | 6 | |
Number of page(s) | 7 | |
DOI | https://doi.org/10.1051/geotech/2021020 | |
Published online | 15 October 2021 |
Article de recherche / Research Article
Thermodynamique des grands glissements souterrains
Thermodynamics of rock mass slip
Laboratoire Navier, École des Ponts Paris Tech, Univ. Gustave Eiffel, CNRS,
Paris, France
* Auteur de correspondance : jean.sulem@enpc.fr
Les couplages thermo-hydro-chimio-mécaniques jouent un rôle central dans les grands glissements gravitaires et sismiques. À partir du travail original de Pierre Habib sur la vaporisation du fluide interstitiel comme mécanisme pouvant expliquer les vitesses extrêmes atteintes durant le glissement d’une masse rocheuse, nous donnons un éclairage sur les développements récents sur la physique des tremblements de terre.
Abstract
Thermo-chemo-mechanical couplings have been identified as factors that play a central role in the mechanics of large seismic or gravitational slip. The pioneering work of Pierre Habib on vaporization of the pore fluid as a mechanism that could explain extreme slip velocities during rock slides is recalled as a starting point of a review of recent works on the physics of earthquakes.
Mots clés : glissement sismique / couplages multi-physiques / failles / pressurisation thermique / localisation des déformations
Key words: seismic slip / multi-physics couplings / faults / thermal pressurization / strain localization
© CFMS-CFGI-CFMR-CFG, 2021
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