Results 1 - 10 of 20

• ARMPS - Analysis of Retreat Mining Pillar Stability
  8/20/2013 - PC software
  Software for designing pillars for room-and-pillar retreat mining.
• Research Report on the Coal Pillar Recovery Under Deep Cover
  2/1/2010 - Unpublished documents and reports
  In 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...
• Proceedings: New Technology for Ground Control in Retreat Mining
  3/1/1997 - Information Circulars
  This proceedings volume contains papers presented at technology transfer seminars sponsored by the National Institute for Occupational Safety and Health (NIOSH) on New Technology for Ground Control in Retreat Mining.
• Calibrating the LaModel Program for Deep Cover Pillar Retreat Coal Mining
  9/18/2020 - Contracts and cooperative agreements
  West Virginia University will calibrate the LaModel Program to aid in projecting success and accuracy of design methodologies for safe retreat mining.
• Analysis of ARMPS2010 Database with LaModel and an Updated Abutment Angle Equation
  1/1/2020 - Peer reviewed journal articles
  A 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.
• Assessing Elevated Stress Due to Full Extraction Mining
  1/16/2018 - Research projects
  A project to develop engineering-based stress analysis procedures for improved assessment of stress-related hazards due to full extraction mining.
• Geotechnical Considerations for Concurrent Pillar Recovery in Close-distance Multiple Seams
  1/1/2018 - Peer reviewed journal articles
  A 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.
• Design Concerns of Room and Pillar Retreat Panels
  1/1/2017 - Peer reviewed journal articles
  A paper detailing observations made in four consecutive room and pillar retreat panels and the data collected from an instrumentation site during retreat mining.
• Brody Mine Accident Highlights Need for Retreat Mining Safety
  10/22/2016 - News articles
  A short feature story describing NIOSH products on retreat mining.
• Major Hazard Risk Assessment Applied to Pillar Recovery Operations
  7/1/2009 - Conference papers
  This paper documents the MHRA process and analyzes the strengths and weaknesses of the technique as it applies to pillar recovery operations.