BACK ANALYSIS OF THE WEST WALL SLOPE FAILURE AT LAB CHRYSOTILE MINE

World Mining Congress
This paper presents a case study in which a slope failure was observed on the west wall of the LAB Chrysotile mine in the vicinity of the main ramp in January 2010. Airborne LiDAR results were used to evaluate slope geometry before and after the failure occurred. Back analysis of the failure was performed to assess rock mass properties at the slope scale using various numerical techniques: limit equilibrium, finite elements and fracture networks. The various approaches correlated well with field observations.
Keywords: Slopes; failures; Failure; Rocks; Rock; slope failure; Slope failures; analysis;
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