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Méthodologie pour la gestion du risque versant sous-cavé

Abstract : The hazard "under-mined slope" is a complex hazard that combines two: the cliff collapse hazard and the underground cavity hazard. There is a reciprocal influence between these two hazards if their distance does not exceed a characteristic distance. An assessment methodology of "under-mined slope" hazard making possible the delineation and characterization of risk area has been developed and implemented at several sites. Meanwhile, a tool was used, the 3D laser scanner, to allow having a site scanning and a three-dimensional vision of the site. It is then possible to measure the spacing of fractures, calculate the volume of unstable materials or to monitor the evolution of the site if this process is repeated at regular intervals. This tool associated with the methodology enables effective management of the instability risk.
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Submitted on : Monday, August 27, 2018 - 11:14:10 AM
Last modification on : Monday, August 27, 2018 - 11:14:11 AM
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  • HAL Id : ineris-01862254, version 1



Auxane Cherkaoui, Marwan Al Heib. Méthodologie pour la gestion du risque versant sous-cavé. Colloque "Stabilité des versants rocheux. Rock Slope Stability" (RSS 2014), Apr 2014, Marrakech, Maroc. pp.497-506. ⟨ineris-01862254⟩



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