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    Designing an optimal stope layout for underground mining based on a heuristic algorithm

    Access Status
    Fulltext not available
    Authors
    Sandanayake, D.
    Topal, Erkan
    Asad, M.
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Sandanayake, D. and Topal, E. and Asad, M. 2015. Designing an optimal stope layout for underground mining based on a heuristic algorithm. International Journal of Mining Science and Technology. 25 (5): pp. 767-772.
    Source Title
    International Journal of Mining Science and Technology
    DOI
    10.1016/j.ijmst.2015.07.011
    ISSN
    2095-2686
    School
    Dept of Mining Eng & Metallurgical Eng
    URI
    http://hdl.handle.net/20.500.11937/31096
    Collection
    • Curtin Research Publications
    Abstract

    An optimal layout or three-dimensional spatial distribution of stopes guarantees the maximum profitability over life span of an underground mining operation. Thus, stope optimization is one of the key areas in underground mine planning practice. However, the computational complexity in developing an optimal stope layout has been a reason for limited availability of the algorithms offering solution to this problem. This article shares a new and efficient heuristic algorithm that considers a three-dimensional ore body model as an input, maximizes the economic value, and satisfies the physical mining and geotechnical constraints for generating an optimal stope layout. An implementation at a copper deposit demonstrates the applicability and robustness of the algorithm. A parallel processing based modification improving the performance of the original algorithm in terms of enormous computational time saving is also presented.

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