Results 41 - 50 of 112

• Rock Falls
  9/22/2015 - Catalogs and indexes, Research areas
  NIOSH Mining topic page on rock falls.
• Horizontal Stress
  9/22/2015 - Research areas
  Horizontal Stress Topic Page
• Weak Rock Mass in Nevada Gold Mines: Behavior, Support Design, and Performance
  7/17/2014 - Contracts and cooperative agreements
  A capacity-building contract to address ground control design issues in weak rock masses in Nevada.
• ARBS - Analysis of Roof Bolt Systems
  8/20/2013 - PC software
  A software program to help select roof bolts for primary support in underground coal mines
• Ground and Standing Support Interaction in Tailgates of Western U.S.Longwall Mines Used in the Development of a Design Methodology Based on the Ground Reaction Curve
  7/1/2010 - Conference papers
  Instrumented test sites were installed in the tailgates of two western longwall operations; results of the support performance and ground reaction are presented in terms of developed support loads and displacements and tailgate entry convergence.
• Analysis of Applied Forces and Electromyography of Back and Shoulders Muscles When Performing A Simulated Hand Scaling Task
  5/1/2010 - Peer reviewed journal articles
  This article describes experiments simulating rib scaling from an elevated bucket to examine force generation and electromyographic responses using two types of scaling bars at five target heights ranging from floor level to 176 cm.
• Ground Failures in Coal Mines with Weak Roof
  1/1/2010 - Peer reviewed journal articles
  An understanding of the geologic and stress conditions which lead to roof falls is necessary to assess the risk of failure and to design roof reinforcement to improve stability.
• The Impact of Ground Control Research on the Safety of Underground Coal Miners: 1910-2010
  1/1/2010 - Conference papers
  This paper describes the impact of ground control research by the Bureau of Mines and NIOSH on the safety of underground coal miners.
• Coal Bumps and Odd Dynamic Phenomena - A Numerical Investigation
  7/1/2009 - Conference papers
  This study extends the method of dynamic analysis to events driven by slip on geologic features.
• Evaluation of Tailgate Ground and Support Interaction in the Illinois Basin for the Development of a Ground Reaction Curve Based Standing Support Design
  7/1/2009 - Conference papers
  As part of an effort to obtain more field data on longwall tailgate and support interaction, a study was conducted at a longwall mine in the Herrin No. 6 coal seam in southern Illinois.