An Application of Probability to Rock Slope Design

by James P. Savely, Inspiration Consolidated Copper Co, Claypool, AZ, USA,

Document Type: Proceeding Paper

Part of: Rock Masses: Modeling of Underground Openings/Probability of Slope Failure/Fracture of Intact Rock


This paper describes the use of probability and statistics in the slope design process. An example is presented of a high rock slope in an open pit mine. This slope is a major concern because minable ore reserves are located beneath a wall whose crest is fixed by the location of processing facilities. Flattening the slope to reduce the risk of slope failure and damage to the facilities would mean that the planned toe of the slope would be moved toward the center of the pit and some of the deeper mining levels would not be mined.

Subject Headings: Probability | Rocks | Slopes | Failure analysis | Shear failures | Structural failures | Structural strength | Shear strength

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