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- Mining types and methods:
- Multiple seam mining
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Results 11 - 13 of 13
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8/1/2005 - Conference papersResults show that the remnant upper seam structure's size can influence multiple seam interaction. Specifically, smaller critically loaded upper seam pillars appear more likely to cause lower seam ground control problems than wider pillars.
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8/1/2003 - Conference papersNIOSH is conducting research to develop mine design algorithms that will result in safer multiple seam mines. This paper presents an overview of multiple seam issues in the central Appalachian coalfields.
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11/1/1994 - Technology NewsRoom-and-pillar operators are provided with practical information and guidelines concerning multiple-seam mine design to reduce ground problems associated with the interaction of adjacent workings.
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Content source: National Institute for Occupational Safety and Health, Mining Program