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Etablissement d'un Plan de Prévention des Risques liés à la présence d'anciennes carrières souterraines. Principes d'une analyse par configurations types

Abstract : The north-western districts of Aix-en-Provence (South-East of France) are partly undermined by very old underground abandoned gypsum mines whose localization and extension are no more precisely known. A geotechnical hazard prevention study was prescribed in order to control the urbanization of the studied zone and to manage the potential risks related to the existing frame. INERIS developped a method based on the analysis of representative configurations allowing to define within the whole studied zone (more than thousand hectares) a limited number of representative configurations within which mechanisms of evolution and surface instability phénomena are nearly similar. Hence, seven representative configurations have been identified. A specifical hazard assessment method has then been applied to each configuration in order to grade the different hazard levels. Lastly, the principle adopted to transcribe the hazard mapping in term of lawful prescriptions is presented.
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https://hal-ineris.archives-ouvertes.fr/ineris-00972164
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  • HAL Id : ineris-00972164, version 1
  • INERIS : PU-1999-036

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Christophe Didier. Etablissement d'un Plan de Prévention des Risques liés à la présence d'anciennes carrières souterraines. Principes d'une analyse par configurations types. Conférence de la Décennie Internationale de la Prévention des Catastrophes Naturelles, Jun 1999, Paris, France. pp.85-92. ⟨ineris-00972164⟩

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