Results 11 - 14 of 14

• Rock Mechanics Study of Shaft Stability and Pillar Mining, Homestake Mine, Lead, SD (In Three Parts): 2. Mine Measurements and Confirmation of Premining Results
  5/1/1995 - Reports of Investigations
  A U.S. Bureau of Mines case study of pillar recovery in high-grade ore near the Ross shaft at the Homestake Mine, Lead, SD, has demonstrated the usefulness of the finite-element method for evaluating shaft pillar mining plans and shaft stability. This r...
• Evaluation of Smoke Detectors for Mining Use
  1/1/1995 - Reports of Investigations
  The U.S. Bureau of Mines has constructed a smoke chamber and developed sensitivity tests for smoke detectors. Evaluation of six smoke detectors showed their potential for use as mine fire sensors or as part of a mine atmospheric monitoring system.
• Research and Evaluation Methods For Measuring Nonroutine Mine Health and Safety Skills: Bibliography
  6/1/1988 - Contract reports
  A comprehensive review of published research was carried out to identify methods for teaching and assessing critical but nonroutine skills for coping with emergency situations.
• Overlap Probability for Short-Period-Delay Detonators Used in Underground Coal Mining
  1/1/1985 - Reports of Investigations
  Investigation of coal-mine-type short-delay electric detonators to determine the delay accuracy and the probability of overlap between adjacent delay periods.