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Use of 3D laser scanner technology to monitor coal pillar deformation

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    0457899 - ÚGN 2017 RIV AU eng C - Conference Paper (international conference)
    Kukutsch, Radovan - Kajzar, Vlastimil - Waclawik, Petr - Němčík, J.
    Use of 3D laser scanner technology to monitor coal pillar deformation.
    Coal Operators' Conference 2016 Proceedings. Wollongong, New South Wales, Australia: University of Wollongong, 2016 - (Naj, A.), s. 109-117. ISBN 978-1-74128-255-9.
    [Coal Operators' Conference 2016. Wollongong, New South Wales (AU), 10.02.2016-12.02.2016]
    R&D Projects: GA MŠMT ED2.1.00/03.0082; GA MŠMT(CZ) LO1406
    Institutional support: RVO:68145535
    Keywords : 3D laser technology * coal pillar monitoring * rib movement
    Subject RIV: DH - Mining, incl. Coal Mining
    http://www.coalconference.net.au/

    Although the room and pillar mining method is world-known and widely used, in terms of the Czech coal mines located in the Upper Silesian Coal Basin it is still in the testing phase. Unfavourable mining, geotechnical conditions at large depths and the ban by Czech mining authorities prevented this method from being used on rock bolt reinforcement without other roof support. Typically, large amounts of unexploited coal reserves are left in the shaft protective pillars. This coal can be mined if strata subsidence is minimised. Due to its low subsidence characteristics the room and pillar mining method without pillar extraction has been trialled at the CSM Coal Mine at the end of 2014. During the pillar development phase complex geotechnical monitoring was undertaken including the frequent scanning of pillar movement using 3D laser scanning technology. The laser scanner enabled complex capture of the entire space around the monitored pillars during the period of pillar formation and afterwards.
    Permanent Link: http://hdl.handle.net/11104/0260709

     
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