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Results 51 - 60 of 96
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5/1/2007 - Information CircularsThe goal of this study is to help identify the location and likely severity of multiple-seam interactions. Mine planners can use this information to adjust the ground support, pillar design, or mine layout to minimize the hazard.
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Multiple-seam interactions are a major ground control hazard in many U.S. underground coal mines. NIOSH has been conducting research to develop better techniques for predicting the location and severity of multiple-seam interactions.
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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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1/1/2007 - Peer reviewed journal articlesThis study examines the patterns and trends in noise exposure documented in data collected by Mine Safety and Health Administration inspectors at U.S. coal mines from 1987 through 2004.
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12/1/2006 - Peer reviewed journal articlesThis paper analyzes narrative text fields accompanying injury reports associated with continuous miners, shuttle cars, load-haul-dump vehicles, and personnel transport equipment types in New South Wales underground coal mines.
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1/1/2006 - Peer reviewed journal articlesSince 1982, standard calibration materials recommended for respirable crystalline silica analysis by the Mine Safety and Health Administration (MSHA) P7 Infrared Method and the NIOSH X-ray Diffraction (XRD) Analytical Method 7500 have undergone minor ch...
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8/1/2005 - Conference papersThis paper summarises the results of a research project whose goal was to provide the Australian coal industry with a rib support design methodology and software tool that could be utilised by suitably qualified colliery staff.
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5/1/2005 - Information CircularsThis report examines the boom arm vertical speed for roof bolting machines to study a moving boom arm appendage at different speeds during different work scenarios. The goal of this study is to determine the impact of the appendage speed on the likeliho...
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8/1/2004 - Conference papersAverage UCS may differ between coreholes but not be statistically significant, and widely spaced coreholes may be able to identify valid spatial trends in rock strength. The paper describes NIOSH's extensive investigation into these issues.
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2/1/2004 - Conference papersDiscusses several flyrock injury incidents at surface mines and construction sites and describes some injury mitigation techniques.
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Content source: National Institute for Occupational Safety and Health, Mining Program