Journal
COMPUTERS AND GEOTECHNICS
Volume 76, Issue -, Pages 93-104Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2016.02.014
Keywords
Isoplethogram; Discrete fracture network (DFN); Polyhedral modelling; Progressive failure; Rigid block stability analysis
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Funding
- Large Open Pit Mine Slope Stability Project (LOP)
- Australian Coal Association Research Program (ACARP)
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A method to analyse potential excavation geometries, termed excavation isoplethogram, has previously been proposed for use in civil or mining engineering. The results are typically presented in the form of a contour plot identifying orientations of proposed excavation planes that may lead to large volumes (or masses) of unstable blocks and wedges. In this paper, a novel algorithm is proposed to utilise the probabilistic discrete fracture network approach to quantify the risk associated with various slope designs. The method is applied using open cut mine data in order to demonstrate its potential for decision making in mine design and operations. (C) 2016 Elsevier Ltd. All rights reserved.
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