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- Mine locations, excavations, and structures:
- Barrier pillars
- Document types:
- Conference papers
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Results 1 - 5 of 5
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2/1/2005 - Conference papersHighwall stability remains a major concern during highwall mining. Geologic structure (hillseams) and pillar stability are the two major factors affecting highwall stability.
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1/1/2000 - Conference papersThe practical application of the "advance and relieve" method is discussed. A trial of the method was conducted for a room and pillar coal operation that was experiencing roof cutters and long running roof falls caused by high horizontal stresses.
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7/1/2009 - Conference papersThis paper provides an overview of current deep cover pillar recovery practice.
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8/1/2005 - Conference papersThe objective of this is paper is to review the current state of knowledge and practice in highwall mining.
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8/1/2002 - Conference papersA study is described with the objective of evaluating the various methods and strategies by which panels, production pillars and barrier pillars are developed and extracted under deep cover, and to develop appropriate design guidelines.
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Content source: National Institute for Occupational Safety and Health, Mining Program