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- Research methods and measures:
- Numerical modeling
- Document types:
- Reports of Investigations
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Results 1 - 10 of 10
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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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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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1/1/1995 - 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 InvestigationsIn situ stresses are important input data for the design of safe, stable stope layouts and extraction sequences. In situ stresses were measured at the Homestake Mine, Lead, SD, using overcoring on hollow inclusion cells and borehole deformation gauges.
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1/1/1983 - Reports of InvestigationsAn essential element of the USBM electromagnetic location and communication system for trapped miners is knowledge of the surface and above-surface electromagnetic fields created by an underground transmitter.
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10/1/1982 - Reports of InvestigationsThe Bureau of Mines electromagnetic trapped miner location and communications system requires a thorough understanding of TTE electromagnetic wave propagation.
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1/1/1972 - Reports of InvestigationsA sorption apparatus for measuring the equilibrium sorption isotherm and the rate of diffusion of methane from fine-sized coal was designed and constructed. Preliminary work that used Pittsburgh and Pocahontas No. 3 Coal shows that the diffusion coeffic...
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Content source: National Institute for Occupational Safety and Health, Mining Program