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Keywords: coal mass
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Proceedings Papers
Exploration Technology of Sound Wave and Electromagnetic Wave United Optical Imagining Verification for Evaluating Stability of Mining Roadway in Steeply Dipping Coal Seams
Available to Purchase
Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-127
... in coal mass side is larger than the rock side. 1 Introduction Xinjiang Wulumuqi mining area is an enrichment region of steeply dipping coal seams, over 30 layers of different thickness and space coal seams (dipping of 45° ~ 87°) are located there. With the mining period and yield increase, the current...
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
...-blasting of the top coal is on the theoretical basis of the internal dynamic inter-actions of the explosives. Using the gases caused by the blasting from inside, the coal mass can be broken down and therefore become loose. The shock waves and the gases caused by the blasting splits the coal mass...
