Influence of water on rock discontinuities and stability of rock mass

Sandra Dochez 1 Farid Laouafa 1 Christian Franck 2 Sylvine Guedon 3 François Martineau 3 Marion Bost 3 Julie d'Amato 3
1 INERIS - Institut National de l'Environnement Industriel et des Risques
2 GEODERIS
3 IFSTTAR - Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux
Abstract : Water is an important weathering factor that can play a role with respect to rock discontinuities, and thus rock mass behavior. The increase of rainfall (frequency and intensity) highlights new problems concerning rock mass stability. The aim of this research is an analysis of the importance of the role of water on rock alteration. This study will discuss how water causes discontinuity degradation, which can affect the stability of the rock mass. The accurate study of water-rock alteration is based upon two aspects, on the one hand the study of the intrinsic properties of water, and on the other hand, the study of the response of the discontinuity to alteration. The present study is based on two spatial scales, laboratory and in situ (the latter will not be discussed in this article).
Keywords : WEATHERING CHEMICAL WATER LIMESTONES ROCK DISCONTINUITIES ROCK STABILITY ROUGHNESS
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Conference papers
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https://hal-ineris.archives-ouvertes.fr/ineris-00971158
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Submitted on : Wednesday, April 2, 2014 - 3:59:06 PM
Last modification on : Thursday, October 22, 2015 - 2:37:46 PM

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Sandra Dochez, Farid Laouafa, Christian Franck, Sylvine Guedon, François Martineau, et al.. Influence of water on rock discontinuities and stability of rock mass. 14. International Symposium on Water-Rock Interaction (WRI 14), Jun 2013, Avignon, France. pp.219-222, ⟨10.1016/j.proeps.2013.03.191⟩. ⟨ineris-00971158⟩

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