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- Tasks and activities:
- Mine design
- Document types:
- Reports of Investigations
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Results 1 - 5 of 5
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10/22/2016 - News and announcements, Reports of InvestigationsA feature story to announce the publication of a new NIOSH RI on built-in-place refuge alternatives.
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1/1/1995 - Reports of InvestigationsDisplacement and stress changes in cemented backfill and ore pillars at the Buick Mine, near Boss, MO, were monitored by engineers from the U.S. Bureau of Mines and The Doe Run Co., St Louis, MO. Objectives of this research were to evaluate the effect ...
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1/1/1992 - Reports of InvestigationsThe Bureau of Mines developed a computerized method to calculate vertical stress exerted on surfaces at depth that includes the effect or topography. The limitation of the method is that stresses cannot be accurately determined near an outcrop.
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1/1/1992 - Reports of InvestigationsResearchers monitored rock mass response to mining of an experimental underhand longwall stope in Hecla Mining Company's Lucky Friday Mine, Mullan, Idaho. This is part 1 of 3.
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1/1/1987 - Reports of InvestigationsThree possible limited-coverage design scenarios (roll bars, sliding canopies, and flip-top canopies) were designed, fabricated, and evaluated for low-coal shuttle cars. All three designs were determined to be feasible and desirable.
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Content source: National Institute for Occupational Safety and Health, Mining Program