Articles | Volume 16, issue 8
https://doi.org/10.5194/nhess-16-1719-2016
https://doi.org/10.5194/nhess-16-1719-2016
Research article
 | 
01 Aug 2016
Research article |  | 01 Aug 2016

Partial reactivation of a huge deep-seated ancient rock slide: recognition, formation mechanism, and stability

Minggao Tang, Qiang Xu, Yusheng Li, Runqiu Huang, Niek Rengers, and Xing Zhu

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Cited articles

Alonso, E. E. and Pinyol, N. M.: Criteria for rapid sliding I. A review of Vaiont case, Eng. Geol., 114, 198–210, 2010.
Barla, G., Antolini, F., Barla, M., Mensi, E., and Piovano, G.: Monitoring of the Beauregard landslide (Aosta valley, Italy) using advance and conventional techniques, Eng. Geol., 116, 218–235, 2010.
BIS-CWRC – Bureau of Investigation and Survey, Changjiang Water Resource Commission: The geology argument report of the relocation site of the Fengjie County in Three Gorges Reservoir (Detailed investigation stage), Wuhan, 1997.
BIS-CWRC – Bureau of Investigation and Survey, Changjiang Water Resource Commission: Engineering Geology Investigation Report of protecting project of bank slopes of the new Fengjie County (feasibility study stage), Wuhan, 1999.
Brideau, M., Yan, M., and Stead, D.: The role of tectonic damage and brittle rock fracture in the development of large rock slope failures, Geomorphology, 103, 30–49, 2009.
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An important argument for the conclusion is the recognition of a regional compressive tectonic stress field in this area, which cannot lead to the formation of a fault graben, which needs a tensional tectonic stress field. Moreover, numerous unique geological features, sliding marks, and other relics of the ancient slide have been discovered in the field. A centrifuge model test shows that a deformation and failure process of "creep–crack–cut" and a type of "successive rotational rock slide" have occurred.
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