Triggering mechanisms of slope instability processes and sediment failures on continental margins: a geotechnical approach

Type Article
Date 2004-12
Language English
Author(s) Sultan NabilORCID, Cochonat Pierre, Canals M, Cattaneo AntonioORCID, Dennielou BernardORCID, Haflidason H, Laberg J, Long D, Mienert J, Trincardi F, Urgeles R, Vorren T, Wilson C
Affiliation(s) IFREMER, Plouzane, France.
Univ Barcelona, E-08007 Barcelona, Spain.
IGM, Bologna, Italy.
Univ Bergen, N-5020 Bergen, Norway.
Univ Tromso, N-9001 Tromso, Norway.
British Geol Survey, Edinburgh, Midlothian, Scotland.
Source Marine Geology (0025-3227) (Elsevier), 2004-12 , Vol. 213 , N. 1-4 , P. 291-321
DOI 10.1016/j.margeo.2004.10.011
WOS© Times Cited 240
Keyword(s) Slope instability, Sensitivity, Sedimentation, Hydrate, Earthquake
Abstract The Costa target areas exhibit the variability of slope instabilities needed to improve our understanding of sediment physical and mechanical properties in areas prone to sliding. That is why in this project, we have analysed the different slope failures events from different parts of the Costa target areas, which reflect diverse triggering mechanisms. The aim of the first part of this study was to identify the geotechnical response of the sediment to different external mechanisms (earthquake, rapid sedimentation and gas hydrate melting). We have focused on the relation between external mechanisms and the consequence change in the in-situ stress state and the physical, mechanical, and elastic properties of the sediment. In the second part of the paper, the geotechnical properties of the sediment from different Costa areas are presented. Comparison between observed geotechnical properties and the theoretical behaviour was done in order to improve our understanding of the origin of the different observed slides.
Full Text
File Pages Size Access
publication-700.pdf 68 2 MB Open access
Top of the page

How to cite 

Sultan Nabil, Cochonat Pierre, Canals M, Cattaneo Antonio, Dennielou Bernard, Haflidason H, Laberg J, Long D, Mienert J, Trincardi F, Urgeles R, Vorren T, Wilson C (2004). Triggering mechanisms of slope instability processes and sediment failures on continental margins: a geotechnical approach. Marine Geology, 213(1-4), 291-321. Publisher's official version : https://doi.org/10.1016/j.margeo.2004.10.011 , Open Access version : https://archimer.ifremer.fr/doc/00000/700/