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- Reports of Investigations
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Results 1 - 10 of 18
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3/27/2014 - Reports of InvestigationsThis Report of Investigations details the results of a NIOSH investigation of temperature rise in mobile refuge alternatives.
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11/1/2008 - Reports of InvestigationsNIOSH experimentally investigated various factor effects on cab air filtration system performance.
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1/1/2020 - Reports of InvestigationsThis part 2 of a two-part series describes ground stress in mining by calibrating and verifying longwall stress models.
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1/1/2020 - Reports of InvestigationsThis part 1 of a two-part series describes ground stress in mining based on measurements and observations at two western mines.
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7/1/2002 - Reports of InvestigationsThe process of drilling and bolting the roof is currently one of the most dangerous jobs in underground mining, resulting in about 1,000 accidents with injuries each year in the United States. Researchers from the Spokane Research Laboratory of the Nat...
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9/1/1998 - Reports of InvestigationsThe behavior of wire ropes used in hoisting is not well understood. In an effort to improve this understanding, the structure of round-strand wire ropes was analyzed. This report provides a generalized mathematical model that completely describes the g...
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1/1/1996 - Reports of InvestigationsA U.S. Bureau of Mines case study of pillar recovery in high-grade ore near the Ross shaft at the Homestake Mine, Lead, SD, has demonstrated the usefulness of the finite-element method for evaluating shaft pillar mining plans and shaft stability. In thi...
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5/1/1995 - Reports of InvestigationsA U.S. Bureau of Mines case study of pillar recovery in high-grade ore near the Ross shaft at the Homestake Mine, Lead, SD, has demonstrated the usefulness of the finite-element method for evaluating shaft pillar mining plans and shaft stability. This r...
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1/1/1995 - Reports of InvestigationsA hydrologic-subsidence investigation was performed to evaluate the effects of longwall mining on the local groundwater regime through field monitoring and numerical modeling.
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1/1/1993 - Reports of InvestigationsThe U.S. Bureau of Mines investigated the performance of portable power cables under transient conditions. This research had a twofold purpose: (1) to define the thermal characteristics of electrically overloaded trailing cables, and (2) to conceptuali...
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Content source: National Institute for Occupational Safety and Health, Mining Program