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    Stress heterogeneity and complexity: implications for mining

    Access Status
    Fulltext not available
    Authors
    Beck, D.
    Windsor, Christopher
    Reusch, F.
    Player, John
    Date
    2012
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Beck, D. and Windsor, C. and Reusch, F. and Player, J. 2012. Stress heterogeneity and complexity: implications for mining, in Bobet, A. et al (ed), 46th US Rock Mechanics/Geomechanics Symposium, Jun 24-27 2012. Chicago: American Rock Mechanics Association.
    Source Title
    Proceedings of the 46th US Rock Mechanics / Geomechanics Symposium 2012
    Source Conference
    46th US Rock Mechanics / Geomechanics Symposium 2012
    Additional URLs
    https://www.onepetro.org/conferences/ARMA/ARMA12
    ISBN
    978-1-62276-514-0
    School
    Western Australian School of Mines
    URI
    http://hdl.handle.net/20.500.11937/17976
    Collection
    • Curtin Research Publications
    Abstract

    Stress fields in a disturbed discontinuum such as the Earth’s crust should be complex, and yet most mines make do with a handful of measurements not sufficient in coverage or number to capture the complexity of this fundamental input to mine design. Observations confirm that at a mine scale and smaller, the variability in stress gradients is sufficient to affect excavation performance. At a number of example mines, an effort was made to explain and match the measured variability by numerically simulating aspects of the geo-mechanical history. By accounting for the structural geometry, topography or a simple interpretation of the geological history, these simple numerical models help explain the variability between measurements and confirm measured heterogeneity of the stress field at a scale that is relevant to mine performance.

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