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Keywords: longwall panel
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Proceedings Papers
Rockburst Prevention via Destress Blasting of Competent Roof Rocks in Hard Coal Longwall Mining
Available to Purchase
Paper presented at the ISRM AfriRock - Rock Mechanics for Africa, October 3–5, 2017
Paper Number: ISRM-AFRIROCK-2017-035
... are formed by tectonic faults or fault zones with amplitudes ranging from 20 to 400 m (see Figure 2). Mining in this area covers three thick coal seams (nos. 1, 2, and 3) that were mined in the past at distances up to 200 m above the explored longwall panel (coal seam no. 3) in the bottom coal seam...
