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    Uncertainty and Reliability Analysis of Open Pit Rock Slopes: A Critical Review of Methods of Analysis

    Access Status
    Fulltext not available
    Authors
    Abdulai, M.
    Sharifzadeh, Mostafa
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Abdulai, M. and Sharifzadeh, M. 2018. Uncertainty and Reliability Analysis of Open Pit Rock Slopes: A Critical Review of Methods of Analysis. Journal of Geotechnical and Geological Engineering.
    Source Title
    Journal of Geotechnical and Geological Engineering
    DOI
    10.1007/s10706-018-0680-y
    ISSN
    0960-3182
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/72602
    Collection
    • Curtin Research Publications
    Abstract

    © 2018, Springer Nature Switzerland AG. The stability analyses of slope excavations in rock mass require reliable geomechanical input parameters such as rock mass strength, friction angle and cohesion of sliding surface. These parameters are naturally uncertain and their exact values cannot be known, therefore, their variability must be properly accounted for in the stability analyses. Deterministic approaches such as the limit equilibrium methods, numerical methods and kinematic analysis methods do not account for the variability in any of the input parameter. This paper therefore provides a review of uncertainty and uncertainty analysis methods, problems and developments in geotechnical modelling of rock slope stability. The review is motivated by the availability of qualitative and number of methods for uncertainty analysis. The paper examines the various definitions and description of uncertainty and the different vocabularies that are used, and also summarises and categorises the different sources of uncertainty as well as integrating uncertainty for rock slope assessment problems. The paper discussed a simple survey of probability-based reliability methods that have been used for rock slope stability analysis in the past 3 decades.

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