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- Mine locations, excavations, and structures:
- Underground
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- Tunnels
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- Crosscuts
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- Pillars
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- Yield pillars
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- Barrier pillars
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- Chain pillars
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- Web pillars
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- Returns
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- Escapeways
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- Gobs
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- Airways
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- Bulkheads
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- Intersections
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- Longwall panels
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- Headgates
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- Recovery rooms
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- Tailgates
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- Entries
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- Bleeder entries
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- Intake entries
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- Panel entries
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- Belt entries
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- Drifts
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- Ore passes
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- Ore chutes
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Results 41 - 50 of 201
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10/22/2016 - Research projectsA project to update the database of case histories upon which the Analysis of Longwall Pillar Stability (ALPS) software bases its recommended stability factors.
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10/22/2016 - Research projectsA project to address the paucity of guidance in available literature for assessing the design an underground longwall coal mine for safe ground response to mining with numerical stress analysis tools.
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7/19/2016 - Contracts and cooperative agreementsA contract to simulate the development and evolution of natural gas (NG) explosions in mine tunnels.
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7/19/2016 - Contracts and cooperative agreementsA contract to modify medium frequency radio systems to improve refuge chamber situational awareness in an underground coal mine.
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7/19/2016 - Contracts and cooperative agreementsA contract to develop and test a Media Converter Device (MCD) that allows wireless handheld radios to communicate with leaky feeder communication systems. This will greatly improve voice quality and underground communications coverage in cross-cuts.
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7/18/2016 - Contracts and cooperative agreementsA contract to design and demonstrate a location tracking system for underground coal mines using ultra-wideband (UWB) radio technology.
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7/18/2016 - Contracts and cooperative agreementsA capacity-building contract to expand on previous and existing work with computational fluid dynamics (CFD) modeling using the FLUENT code to develop a modeling and predictive tool for mine ventilation.
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7/18/2016 - Contracts and cooperative agreementsA contract to extend communication and hazard monitoring into bleeders or other remote workings in an active underground coal mine.
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7/18/2016 - Contracts and cooperative agreementsA capacity-building contract to examine the explosion and fire hazards in the gobs of underground longwall coal mines through physical and numerical modeling.
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4/29/2016 - Contracts and cooperative agreementsA capacity-building contract to investigate safety aspects of mine ventilation through technical development and training.
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Content source: National Institute for Occupational Safety and Health, Mining Program