Results 91 - 100 of 112

• Updating the NIOSH Support Technology Optimization Program (STOP) With New Support Technologies and Additional Design Features
  8/1/2001 - Conference papers
  The Support Technology Optimization Program (STOP) was updated to Version 2.3. This paper describes the additional features: including uncontrolled convergence into the design requirements for standing roof supports; the addition of design procedures fo...
• Field Evaluation of Mobile Roof Support Technologies
  8/1/2001 - Conference papers
  A historic overview of the role of mobile roof support (MRS) technologies in improving stability and worker safety is presented along with field evaluations of the MRS load rate monitoring device and other remote deformation-monitoring techniques.
• Emerging Technologies and the Future of Geotechnical Instrumentation
  7/1/2001 - Book chapters
  This paper discusses (1) the results of a ground-based hyperspectral imaging tool used to map the geology of an open-pit mine highwall, and (2) interferometric synthetic aperture radar and how it can be used in a variety of geotechnical situations.
• Case Studies of Cable Bolts Using Instrumented King Wires
  7/1/2001 - Conference papers
  Instrumented cable bolts were used in conjunction with existing ground control to monitor rock mass loads at various field sites. By monitoring rock mass load and displacement, more effective ground support can be selected and installed.
• Design of Primary Roof Support Systems in U.S. Coal Mines Based on the Analysis of Roof Fall Rates
  6/1/2001 - Conference papers
  A study is described where information was collected at 37 coal mines on roof falls and other geotechnical, mining, geologic, and roof bolting factors. A statistical analysis was conducted on the data with roof fall rate as the outcome variable.
• Technology News 483 - Safety Training Tools for Rock Scaling Personnel
  1/1/2001 - Technology News
  Scaling, the removal of loose rock from the roofs and walls of a mine by manual or mechanized means, may be necessary during any stage of mining. Manual scaling is very labor intensive, and mechanical methods can be too powerful and actually produce a l...
• A Study of the Ground Control Effects of Mining Longwall Faces Into Open or Backfilled Entries
  1/1/2001 - Peer reviewed journal articles
  This paper summarizes case studies where unusual circumstances required that a longwall retreat into or through previously driven rooms. Two types of roof failure are identified and discussed.
• Best Practices to Mitigate Injuries and Fatalities from Rock Falls
  8/1/2000 - Conference papers, Safety guidelines, tips, and checklists
  This paper presents an overview of the most significant ground control hazards facing today's mineworkers, as well as best practices to reduce these risks.
• Technology News 482 - Ground Support Safety Training Video
  7/1/2000 - Technology News
  This video, entitled "Ground Support...It's Important, or Miner Mike Saves the Day," presents information on why ground supports work and how to install them properly.
• Determination of Physical Properties of Cable Bolts in Cement Grout Pull Tests Using Instrumented King Wires
  4/1/2000 - Conference papers
  Researchers are investigating the physical properties of cable bolts by replacing the conventional king wire with a modified king wire on which strain gauges have been installed.