Modify Selection
- Hazard prevention and control:
- Span design
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- Pressure arch design
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- Roof beam design
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- Skin control
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- Scaling
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- Highwall design
- or
- Pillar design
- or
- Support design and selection
- Document types:
- Peer reviewed journal articles
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Results 21 - 25 of 25
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10/1/2008 - Peer reviewed journal articlesThis paper gives the results of 4 case studies concerning the interaction between polyurethane (PUR) and coal mine roof in order to determine the mechanism of reinforcement, in both highly fractured rock and unfractured rock.
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2/1/2006 - Peer reviewed journal articlesThis article compares the performance characteristics of various support systems, including wood cribs, can supports, cluster props and pumpable supports.
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1/1/2001 - Peer reviewed journal articlesThis paper summarizes case studies where unusual circumstances required that a longwall retreat into or through previously driven rooms. Two types of roof failure are identified and discussed.
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12/1/1999 - Peer reviewed journal articlesAs underground stone mining expands to deeper cover and more efficient methods are used, effective stone pillar design methods become more important. In this paper, 72 stone mine pillar designs are examined for factors affecting stability.
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9/1/1997 - Peer reviewed journal articlesThis study describes methods of limiting cascading pillar failure, which occurs when a pillar in a mine layout fails, transferring its load to other pillars, causing failure. Design approaches are shown with examples for coal mining at shallow depth.
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Content source: National Institute for Occupational Safety and Health, Mining Program