Results 21 - 30 of 73

• 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.
• Support Design Procedures for Difficult Ground Conditions
  10/22/2016 - Research projects
  A project to develop engineering guidelines for support design that will reduce groundfall fatalities under supported roof in underground coal mines.
• Identification of Areas at Risk for Coal Bursts in Deep Cover Room and Pillar Mines
  10/22/2016 - Research projects
  A project to define the geologic and stress criteria associated with an elevated risk of coal bursts, considering both U.S. and international experience through visits to coalfields.
• Brody Mine Accident Highlights Need for Retreat Mining Safety
  10/22/2016 - News articles
  A short feature story describing NIOSH products on retreat mining.
• Intelligent Proximity Detection to Improve Miner Safety
  9/28/2012 - News articles
  NIOSH is developing a prototype intelligent system that provides enhanced protection by continuously monitoring miners’ positions in relation to the machine and established safety zones.
• Evaluation of an advanced proximity detection system for continuous mining machines
  3/1/2012 - Peer reviewed journal articles
  In this paper, the authors review existing proximity warning technologies, describe ongoing NIOSH research on an intelligent proximity warning system, and summarize current test results.
• Reservoir Engineering Considerations for Coal Seam Degasification and Methane Control in Underground Mines
  11/1/2009 - Conference papers
  This paper demonstrates the applications of coal bed reservoir engineering and modeling techniques for optimizing and controlling methane emissions in longwall and continuous miner sections.
• 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.
• Deep Cover Pillar Recovery in the US
  7/1/2009 - Conference papers
  This paper provides an overview of current deep cover pillar recovery practice.
• Application of Phased Array Technology for Identification of Low Frequency Noise Sources
  10/1/2008 - Conference papers
  This paper describes research to control dominant noise sources in continuous miners. This work ranks noise radiated by different conveyor sections and determines the effect of a urethane-coated tail roller on the noise radiated by the tail section.