Issue |
Rev. Fr. Geotech.
Number 106-107, 2004
|
|
---|---|---|
Page(s) | 53 - 71 | |
DOI | https://doi.org/10.1051/geotech/2004106053 | |
Published online | 09 October 2017 |
Abandon des mines de sel : faut-il ennoyer ?
Dry salt mine abandonment : is deliberate flooding the best option ?
1 Laboratoires LMS et G3S École polytechnique Palaiseau 91128 Cedex Berest@lms.polytechnique.fr, France.
2 Brouard Consulting 101, rue du Temple, 75003 Paris Brouard@lms.polytechnique.fr, France.
3 BRGM, REM/RESE BP 6009 45060 Orléans Cedex 2 Bernard.Feuga@industrie.gouv.fr, France.
L’abandon d’une mine de sel sèche soulève un problème très particulier en raison de la forte probabilité que la mine soit noyée après son abandon, avec des conséquences significatives à la surface du sol. On analyse plusieurs cas d’ennoyage survenus pendant que des mines de sel étaient encore actives, afin de comparer les avantages et les inconvénients d’un ennoyage délibéré avant l’abandon, et notamment la dégradation possible des bancs marneux situés au mur de la mine.
Abstract
Abandonment of dry salt mines raises a difficult problem, as post-abandonment mine flooding is in most cases highly probable, with possible severe consequences at ground level. Several cases of active mine flooding are analyzed, to compare the advantages and drawbacks of a deliberate flooding before mine abandonment. Special attention is kept to the possible degradation of the marly floor layers.
Mots clés : mine de sel / ennoyage volontaire / dégradation du mur
Key words: salt mine / deliberate mine flooding / floor weathering
© CFMS-CFGI-CFMR-CFG 2004
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