Assessment of Roof Stability in a Room and Pillar Coal Mine in the U.S. Using Three-Dimensional Distinct Element Method
Roof falls and accumulation of dangerous gasses are the most common hazards in any underground coal mine. Different mechanisms can jeopardize the stability of the roof in underground excavations and successful roof control can only be obtained if the failure mechanism is identified and understood pr...
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| Language: | en_US |
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The University of Arizona.
2015
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| Online Access: | http://hdl.handle.net/10150/579111 |