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    Safety evaluation of an underground excavation for crusher operation

    Access Status
    Fulltext not available
    Authors
    Yang, H.S.
    Jang, M.H.
    Kim, W.B.
    Jang, Hyong Doo
    Kim, J.G.
    Kim, S.J.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Yang, H.S. and Jang, M.H. and Kim, W.B. and Jang, H.D. and Kim, J.G. and Kim, S.J. 2011. Safety evaluation of an underground excavation for crusher operation, in Proceedings of the 12th IRM International Congress on Rock Mechanics "Harmonizing Rock Mechanics and the Environment", Oct 16-21 2011. Bejing, China: ICRM.
    Source Title
    Harmonizing Rock Engineering and the Environment - Proceedings of the 12th ISRM International Congress on Rock Mechanics
    Source Conference
    12th ISRM Congress
    Additional URLs
    https://onepetro.org/isrmcongress/proceedings/CONGRESS12/All-CONGRESS12/ISRM-12CONGRESS-2011-292/100307
    ISBN
    9780415804448
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/80575
    Collection
    • Curtin Research Publications
    Abstract

    With the development of industry and increased awareness of environmental issue, eco-friendly operation of mine is gaining importance. The process of rock crushing generates noise, vibrations and enormous dust, which pollutes the surrounding environment. Mitigation of these environmental nuisances generated by the crusher is essential. In this aspect, the present study focuses on geo-mechanic based safety investigation for operating crusher in an underground mine. Geomechanical data of rocks (Q, RMR value) were investigated and fed to appropriate FLAC3D analysis for evaluating safety of the given underground excavation for installation of crusher. Safety evaluation was undertaken in 3 steps and the salient outcome is given as follows. (i) Safety evaluation of existing underground excavation without removing any pillars to provide the benchmarking results; This step revealed that the underground excavation was safe. (ii) Safety evaluation of an underground excavation assuming some part of the pillars to be removed, this step showed the generation of stress concentration in the span between the pillars and in the pillar sidewalls. (iii) Safety evaluation of an underground excavation was done assuming some pillar removed. However, after installation of suitable supports the situation was safe. © 2012 Taylor & Francis Group, London.

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