Modify Selection
- Hazard prevention and control:
- Support design and selection
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Results 71 - 80 of 91
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8/1/2002 - Conference papersThe story of how roof bolting was implemented by the mining industry, but took so long to live up to its promise, is a fascinating example of the interaction between economics, technology, regulation, and science. It still has important lessons for today.
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8/1/2001 - Conference papersThe risk of major pillar falls can often be reduced by leaving final stumps, large enough to protect the intersection but small enough to not inhibit gob caving. Analyses were conducted to assess factors on the size variation of remnant stumps.
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8/1/2001 - Conference papersThe location and time of 2,007 microseismic emissions from a limestone mine were compared with mine face development and mine layout characteristics. The occurrence of roof failure zones appears to be associated with mine plan characteristics.
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8/1/2001 - Conference papersThe Support Technology Optimization Program (STOP) was updated to Version 2.3. This paper describes the additional features: including uncontrolled convergence into the design requirements for standing roof supports; the addition of design procedures fo...
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8/1/2001 - Conference papersA historic overview of the role of mobile roof support (MRS) technologies in improving stability and worker safety is presented along with field evaluations of the MRS load rate monitoring device and other remote deformation-monitoring techniques.
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7/1/2001 - Conference papersInstrumented cable bolts were used in conjunction with existing ground control to monitor rock mass loads at various field sites. By monitoring rock mass load and displacement, more effective ground support can be selected and installed.
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6/1/2001 - Conference papersA study is described where information was collected at 37 coal mines on roof falls and other geotechnical, mining, geologic, and roof bolting factors. A statistical analysis was conducted on the data with roof fall rate as the outcome variable.
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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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This paper presents an overview of the most significant ground control hazards facing today's mineworkers, as well as best practices to reduce these risks.
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7/1/2000 - Technology NewsThis video, entitled "Ground Support...It's Important, or Miner Mike Saves the Day," presents information on why ground supports work and how to install them properly.
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Content source: National Institute for Occupational Safety and Health, Mining Program