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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
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Results 51 - 60 of 348
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1/1/2020 - Peer reviewed journal articlesThe article presents seven cases of conventional gas wells within chain pillars and discusses how numerical modeling can provide a more quantifiable approach to assess the stability of the gas wells.
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1/1/2020 - Peer reviewed journal articlesAn article detailing observations of the non-typical bleeder entries of a moderate depth longwall panel, with a primary focus on the extent and magnitude of the abutment loading.
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12/1/2019 - Peer reviewed journal articlesAn article describing an extensive in situ backfill instrumentation program designed to monitor long-term stope closure and induced backfill stress.
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12/1/2019 - Peer reviewed journal articlesAn article describing a field study conducted to understand the role of gas dynamics in variable broken rock, as well as investigate airflow exchanges between the face and gob.
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12/1/2019 - Peer reviewed journal articlesAn overview of recent trends in US longwall mining, with an emphasis on accident and injury trends, as well as support systems and ground conditions.
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11/1/2019 - Non-peer reviewed journal articlesAn article discussing NIOSH's research on gas well stability in longwall pillars.
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10/4/2019 - Peer reviewed journal articlesThis paper reports the influence of antennas on radio signal propagation in tunnels and underground mines.
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2/19/2019 - Peer reviewed journal articlesAn article discussing roof support requirements in the longwall headgate under high horizontal stress in regard to the pattern of supplemental cable bolts and the critical locations where additional supplemental support is necessary.
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2/5/2019 - Peer reviewed journal articlesAn analysis of a numerical-model-based approach for estimating the changes in both the horizontal and vertical loading conditions induced by an approaching longwall face.
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1/24/2019 - Peer reviewed journal articlesAn article examining rear abutment extent and loading, along with how well current modeling procedures calculate those values.
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Content source: National Institute for Occupational Safety and Health, Mining Program