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Keywords: top coal
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Proceedings Papers
Application of Segment Pre-blasting of 52m Sublevel Caving of Steep And Thick Coal Seam Under Complex Conditions
Available to Purchase
Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-159
... and Environmental Engineering, University of Science and Technology Beijing, Beijing, China X. P. Lai Energy School, Xi an University of Scinece & Technology, Xi an, China 1 1 INTRODUCTION During the top-coal caving, the weakening and the accessibility of the top coal directly determine its fully- breaking and its...
