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Title3D numerical modelling of the failure mechanism and runout at the 2002 McAuley Creek Landslide, British Columbia, Canada
 
AuthorBrideau, M -A; Stead, D; McDougall, S; Couture, R; Evans, S G; Turner, K
SourceGeologically Active: Proceedings of the 11th IAEG Congress; by Williams, A L (ed.); Pinches, G M (ed.); Chin, C Y (ed.); McMorran, T J (ed.); Massey, C I (ed.); 2010 p. 53-62
Image
Year2010
Alt SeriesEarth Sciences Sector, Contribution Series 20090379
Meeting11th IAEG Congress; Auckland; NZ; September 5-10, 2010
Documentbook
Lang.English
Mediapaper
ProvinceBritish Columbia
NTS82L/06
AreaMcAuley Creek
Lat/Long WENS-119.5000 -119.0000 50.5000 50.2500
Subjectsengineering geology; slope deposits; slope failures; slope stability; slope stability analyses; landslides; landslide deposits; kinematic analysis; McAuley Creek Landslide
Illustrationslocation maps; stereonets; photographs; diagrams
AbstractThe McAuley Creek Landslide is a 6 Mm3 rock slope failure that occurred in south-central British Columbia (Canada) in late May-early June 2002. The Geological Strength Index (GSI) was used to characterize the quality of the overall rock mass and its reduced (damaged) quality near tectonic structures and alteration zones. Potential failure mechanisms were investigated using kinematic analysis and three-dimensional distinct element codes. Of the 6 Mm3 of material involved in the slope failure approximately 5 Mm3 was deposited immediately below the source area against the opposite valley wall with the remaining 1 Mm3 traveling an additional 1.6 km downstream. The run-out behaviour was investigated using a three-dimensional dynamic analysis code.
GEOSCAN ID261608

 
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