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- Mining types and methods:
- Retreat mining
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Results 1 - 10 of 20
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9/18/2020 - Contracts and cooperative agreementsWest Virginia University will calibrate the LaModel Program to aid in projecting success and accuracy of design methodologies for safe retreat mining.
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1/1/2020 - Peer reviewed journal articlesA paper presenting a new equation for calculating accurate abutment angles for deeper mining cases. The new equation was tested using both ARMPS2010 and LaModel for the entire case history database of ARMPS2010.
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1/16/2018 - Research projectsA project to develop engineering-based stress analysis procedures for improved assessment of stress-related hazards due to full extraction mining.
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1/1/2018 - Peer reviewed journal articlesA paper addressing the geotechnical considerations for concurrent pillar recovery in two coal seams with 21 m of interburden under about 305 m of depth of cover.
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1/1/2017 - Peer reviewed journal articlesA paper detailing observations made in four consecutive room and pillar retreat panels and the data collected from an instrumentation site during retreat mining.
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10/22/2016 - News articlesA short feature story describing NIOSH products on retreat mining.
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8/20/2013 - PC softwareSoftware for designing pillars for room-and-pillar retreat mining.
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2/1/2010 - Unpublished documents and reportsIn the FY 2008 Appropriation (Public Law 110-161), Congress directed NIOSH to conduct "a study of the recovery of coal pillars through retreat room-and-pillar mining practices in underground coal mines at depths greater than 1,500 ft." This report inclu...
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7/1/2009 - Conference papersThis paper documents the MHRA process and analyzes the strengths and weaknesses of the technique as it applies to pillar recovery operations.
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7/1/2009 - Conference papersThis paper provides an overview of current deep cover pillar recovery practice.
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Content source: National Institute for Occupational Safety and Health, Mining Program