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Results 91 - 100 of 214
Analysis of Applied Forces and Electromyography of Back and Shoulders Muscles When Performing A Simulated Hand Scaling Task5/1/2010 - Peer reviewed journal articlesThis 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.
1/1/2010 - Peer reviewed journal articlesUnderground stone mines in the United States use the room and pillar method of mining in relatively flat laying deposits. Roof and rib falls account for 15% of all lost time incidents. This paper presents the result of a study to improve pillar and roof...
1/1/2010 - Peer reviewed journal articlesAn 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.
1/1/2010 - Conference papersThis paper describes the impact of ground control research by the Bureau of Mines and NIOSH on the safety of underground coal miners.
This study extends the method of dynamic analysis to events driven by slip on geologic features.
This paper provides an overview of current deep cover pillar recovery practice.
Evaluation of Tailgate Ground and Support Interaction in the Illinois Basin for the Development of a Ground Reaction Curve Based Standing Support DesignAs 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.
2/1/2009 - Conference papersEach of the electronic versions of the MSHA fatality reports since 1995 was analyzed in detail, categorized by the type of the ground fall hazard. The remainder of the paper is devoted to evaluating each of the five largest categories.
12/1/2008 - Peer reviewed journal articlesNIOSH has been actively gathering ground control information in the Illinois Basin in an effort to understand and control difficult mining conditions and has documented best practices for screen installation.
11/1/2008 - Peer reviewed journal articlesThis paper provides an assessment of the performance of limestone pillars as observed at 98 different locations in 34 mines in the Eastern and Midwestern regions of the United States.