Results 1 - 10 of 52

• ARMPS-HWM - Analysis of Retreat Mining Pillar Stability - Highwall Mining
  8/20/2013 - PC software
  A software program for designing web and barrier pillars for Highwall Mining.
• ALPS - Analysis of Longwall Pillar Stability
  8/20/2013 - PC software
  Software for designing pillars for longwall mines
• ARMPS - Analysis of Retreat Mining Pillar Stability
  8/20/2013 - PC software
  Software for designing pillars for room-and-pillar retreat mining.
• The Ground Response Curve, Pillar Loading and Pillar Failure in Coal Mines
  7/1/2010 - Conference papers
  This paper makes use of numerical models to examine the interaction between typical pillar systems and the surrounding rock mass for weak and strong geological conditions at various spans and depths of cover.
• 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  2/1/2010 - Unpublished documents and reports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...
• Ground Control Design for Highwall Mining
  2/1/2005 - Conference papers
  Highwall stability remains a major concern during highwall mining. Geologic structure (hillseams) and pillar stability are the two major factors affecting highwall stability.
• Advance and Relieve Mining: A Method to Mitigate the Effects of High Horizontal Stress on the Mine Roof
  2/1/2001 - Conference papers
  Evaluation of the "Advance and Relieve" mining method is described to determine effectiveness for conditions where high horizontal stresses caused long running roof falls resulting in hazardous conditions and the premature abandonment of panels.
• Utilizing the 'Advance and Relieve' Method to Reduce Horizontal Stress Affects on the Mine Roof, A Case Study
  1/1/2000 - Conference papers
  The practical application of the "advance and relieve" method is discussed. A trial of the method was conducted for a room and pillar coal operation that was experiencing roof cutters and long running roof falls caused by high horizontal stresses.
• Underground Stone Mine Pillar Design in Challenging Conditions
  1/13/2023 - Research projects
  A project to build the framework for expanding pillar design criteria into challenging environments by undertaking pillar response investigations in representative conditions at case study mine sites.
• Influence of Longwall Mining on the Stability of Gas Wells in Chain Pillars
  1/1/2020 - Peer reviewed journal articles
  The 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.