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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 71 - 80 of 201
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1/1/2010 - Conference papersThis paper describes two algorithms that can provide greater accuracy for underground miner tracking systems.
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12/1/2009 - Peer reviewed journal articlesA new approach was tested and it was demonstrated that it could be used for prediction of elastic and shear moduli of coal-measure rocks with reasonable accuracy.
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7/1/2009 - Conference papersThis study extends the method of dynamic analysis to events driven by slip on geologic features.
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7/1/2009 - Conference papersThis paper provides an overview of current deep cover pillar recovery practice.
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6/1/2009 - Information CircularsThis paper examines four different stress analysis programs or tools for analyzing stress around a single longwall panel at 610 m (2,000 ft) depth beneath overburden containing some strong strata.
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2/1/2009 - Conference papersThis paper discusses the current ventilation practices regarding the use of belt air during gateroad development and longwall panel extraction.
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Critical Review of Numerical Stress Analysis Tools for Deep Coal Longwall Panels Under Strong Strata2/1/2009 - Conference papersThis report describes a study undertaken by NIOSH to more fully appreciate the application of numerical models in support of research on dynamic failure (bumps and bounces) in deep western coal mines.
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1/1/2009 - Conference papersThis paper introduces two position adjustment methods for mine tracking systems which use a coplanar node-path network mine model as the foundation for their development.
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1/1/2009 - Peer reviewed journal articlesThis paper discusses air quality concerns and methods to improve the ventilation of large-opening mines whose entries are at least 93m2 (1,000 ft2).
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11/1/2008 - Peer reviewed journal articlesThis paper provides an assessment of the performance of limestone pillars as observed at 98 different locations in 34 mines in the Eastern and Midwestern regions of the United States.
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Content source: National Institute for Occupational Safety and Health, Mining Program