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- Information Circulars
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Results 1 - 8 of 8
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11/1/2004 - Information CircularsThis report analyzes mine fires for all U.S. underground and surface metal/nonmetal mining categories during 1990-2001 by state and six successive 2-year time periods.
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9/1/2004 - Information CircularsThis report analyzes mine fires for all U.S. underground and surface coal mining categories by state and 2-year time periods during 1990-1999.
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1/1/2004 - Information CircularsThis report analyzes mobile equipment fires for all U.S. surface and underground coal and metal/nonmetal mining categories by state and 2-year time periods during 1990-1999.
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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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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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3/1/2001 - Information CircularsWorking in elevated areas near an edge is a common hazard for operators of off-highway mobile mining equipment. Serious injuries involving haulage trucks working at dump sites are examined for the period 1988 to 1997.
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1/1/1999 - Information CircularsThis work identified the most important variables contributing to coal bumps. These are (1) mechanical properties of strata, including local yield characteristics of a mine roof and floor, (2) gate pillar factors of safety, (3) roof beam thickness, join...
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Content source: National Institute for Occupational Safety and Health, Mining Program