Increasing existing mechanical hoisting capacity with supplementary hydraulic hoisting
In some U.S. coal mining operations, the available production capacity is limited by existing mechanical hoisting systems rather than mining methods. This thesis presents a research effort to supplement existing mechanical hoisting with a hydraulic hoisting system. The purpose is to overcome limitat...
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| Format: | Others |
| Language: | en |
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Virginia Tech
2014
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| Online Access: | http://hdl.handle.net/10919/43995 http://scholar.lib.vt.edu/theses/available/etd-07292009-090432/ |