Results 11 - 20 of 55

• 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.
• Digital Technologies Improve Mine Safety and Health
  2/17/2023 - Contracts and cooperative agreements
  A capacity-building contract with the Colorado School of Mines to research digital technologies to improve mine safety and health.
• Numerical Simulation of Roof Cavings in Several Kuzbass Mines Using Finite-difference Continuum Damage Mechanics Approach
  3/1/2020 - Peer reviewed journal articles
  An article describing how the finite-difference method and the continuum damage mechanics (CDM) approach were applied to simulate the stress-strain evolution of a rock mass with an underground opening during coal extraction.
• Evaluation of Stress-control Layout at the Subtropolis Mine, Petersburg, Ohio
  1/1/2020 - Peer reviewed journal articles
  A paper detailing the positive aspects, as well as the challenges, of implementing a new stress-control mine layout.
• Blast Damage Control to Reduce Injuries from Ground Falls in Underground Western U.S. Hard Rock Mines
  2/15/2018 - Research projects
  A project to make available blast damage models and an easy-to-use software tool for mining engineers to use in developing improved blast designs.
• Announcing New Publication on Refuge Alternatives
  10/22/2016 - News and announcements, Reports of Investigations
  A feature story to announce the publication of a new NIOSH RI on built-in-place refuge alternatives.
• Calibration and Verification of Longwall Stress Models
  10/22/2016 - Research projects
  A project to address the paucity of guidance in available literature for assessing the design an underground longwall coal mine for safe ground response to mining with numerical stress analysis tools.
• Ground Control Research: Considering Local Geology to Improve Longwall Pillar Stability
  11/3/2015 - Unpublished documents and reports
  A description of two Ground Control Program projects that aim to enhance mine safety through improved longwall pillar designs that consider a mine’s local geology.
• Roof Support
  9/22/2015 - Research areas
  Roof Support Topic Page
• Passive Mine Blast Attenuators Constructed of Rock Rubble for Protecting Ventilation Seals
  1/1/2010 - Peer reviewed journal articles
  This paper discusses some concepts and preliminary test results for a Passive Mine Blast Attenuator (PMBA) that can provide a useful alternative to increasingly larger and stronger stand-alone mine seals.