Modify Selection
- Hazard prevention and control:
- Pillar design
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Results 21 - 30 of 49
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11/3/2015 - Unpublished documents and reportsA description of two Ground Control Program projects that aim to enhance mine safety through improved longwall pillar designs that consider a mine’s local geology.
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11/3/2015 - Research areasGround Control Overview Topic Page
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9/22/2015 - Research areasPillar Design Topic Page
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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...
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7/1/2009 - Conference papersThis paper provides an overview of current deep cover pillar recovery practice.
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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.
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7/1/2008 - Conference papersThis paper presents a pillar design methodology that was developed from a study of pillar performance in operating stone mines and concludes with guidelines for applying a developed equation and selecting appropriate input parameters.
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7/1/2007 - Conference papersA unique circumstance created by monitoring a pre-driven longwall recovery room permitted measuring the stresses of a coal pillar throughout its entire life cycle in less than a week. The complete transformation took place in less than 12 hours.
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1/1/2007 - Conference papersAnalysis of Multiple Seam Stability (AMSS) is a computer program to help mine planners evaluate potential interactions and reduce the risk of ground failure. This paper details a NIOSH study of multiple seam interactions and the development of AMSS.
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8/1/2006 - Conference papersThis paper discusses progress in the science of coal pillar design over the past 25 years and some of the current research needs.
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Content source: National Institute for Occupational Safety and Health, Mining Program