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Keywords: mined-out area
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Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-057
... & Technology Beijing, Beijing, China X.P. Lai Energy School, Xi an University of Scinece & Technology, Xi an, China ABSTRACT: Space structures and scales of mined-out area are dynamic changed with high-sublevel fully- mechanized caving in steep and thick coal seam. In weakening and disturbance of segment pre...

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