Results 41 - 44 of 44

• Verification and Validation of Roof Bolter Simulation Models for Studying Events Between a Machine and its Operator
  6/1/2001 - Conference papers
  This paper presents the results of a study to verify and validate a computer model that represents and analyzes motions and hazardous events in a simulated three-dimensional workplace. The purpose of the computer model is to support research that is in...
• Laboratory Evaluation of a Canopy Air Curtain for Controlling Occupational Exposures of Roof Bolters
  6/1/2001 - Conference papers
  Testing at NIOSH assessed the effectiveness of a canopy air curtain for controlling occupational exposures to respirable silica and coal dusts.
• Technology News 480 - Controlled Start for Drill Motors on Roof Bolting Machines
  2/1/2000 - Technology News
  A bolter operator must manually place the drill steel and wrench into the drill chunk and then hold onto it as the drill is guided to the hole placement or the wrench is raised to the bolt head. During these actions, the inadvertent actuation of the dri...
• Comparison of Methane Concentrations at a Simulated Coal Mine Face During Bolting
  4/1/1999 - Peer reviewed journal articles
  An evaluation of strategies for monitoring methane levels during roof bolting in an extended cut entry.