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- Mine locations, excavations, and structures:
- Sumps
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- Slopes
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- Material piles
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- Mine surface
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- Laboratories
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- Stoppings
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- Caves
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- Faces
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- Offices
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- Boreholes
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- Stopes
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- Highwalls
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- 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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- Wells
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- Drainage wells
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- Water wells
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- Storage structures
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- Hoppers
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- Silos
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- Trenches
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- Processing plants
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- Benches
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- Manholes
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- Shafts
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- Transformer stations
- Document types:
- Peer reviewed journal articles
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Results 1 - 10 of 72
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2/1/2012 - Peer reviewed journal articlesNIOSH conducted a cooperative research study to provide direct measurements of changing reservoir conditions in longwall panel overburden.
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1/1/2012 - Peer reviewed journal articlesTo assess the effectiveness of commonly applied ventilation strategies for improving air distribution and ventilation controls to meet statutory requirements.
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3/1/2010 - Peer reviewed journal articlesIn this paper, Computational Fluid Dynamics modeling of the effect of longwall face advance on the spontaneous heating of coals in a two-panel gob area using a bleeder ventilation system is presented.
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1/1/2009 - Peer reviewed journal articlesNIOSH researchers studied U.S. underground coal mine explosions over a 30-year period to identify the ignition sources and locations responsible for severe explosions resulting in death, and provided recommendations for safer electrical design.
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11/1/2008 - Peer reviewed journal articlesA computational fluid dynamics (CFD) study was conducted to model effects of coal properties on the potential for spontaneous heating in longwall gob (mined-out) areas.
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9/1/2008 - Peer reviewed journal articlesThis study uses reservoir simulations to illustrate the effects of impermeable faults on the production performance of vertical and horizontal degasification boreholes.
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8/1/2008 - Peer reviewed journal articlesTo provide insights for the optimization of bleederless ventilation systems for U.S. underground coal mines, a computational fluid dynamics study was conducted to model spontaneous heating in longwall gob areas using a bleederless ventilation system.
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12/1/2007 - Peer reviewed journal articlesComputational Fluid Dynamics simulations were conducted to investigate the spontaneous heating of coals in longwall gob areas with different apparent activation energies and reaction surface areas. The results are reported in this paper.
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2/1/2007 - Peer reviewed journal articlesA study of ground behavior, reinforcement performance and stress redistribution looked at a longwall tailgate under severe horizontal stress. Comparison to field results showed that a FLAC-2D model captured the significant roof and support behavior.
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8/1/2003 - Peer reviewed journal articlesLaser-based instruments are used in areas where coal dust ignition presents a safety hazard. This NIOSH study determines when an optical beam may be considered a potential ignition source in underground coal mines or coal storage facilities.
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Content source: National Institute for Occupational Safety and Health, Mining Program