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- Mining types and methods:
- Underground mining
- Document types:
- Technology News
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Results 11 - 17 of 17
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10/1/2006 - Technology NewsDescribes the Roof Fall Risk Index (RFRI), a method of systematically characterizing the risk of roof falls in underground limestone mines.
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1/1/2003 - Technology NewsConventional anemometers (e.g., vane) are capable of accurately measuring air velocities only above 100 ft/min. This research investigated other anemometry technology to detect low air velocities in the range of 0-100 ft/min. Two different portable ultr...
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11/1/1997 - Technology NewsThe use of seismic tomography to identify geologic hazards in underground mines is discussed.
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5/1/1997 - Technology NewsThe lack of sufficient vertical clearance in some underground mines is an impediment to providing adequate shock isolation systems on mine equipment seats.
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5/1/1994 - Technology NewsThe objective was to develop and demonstrate a lightweight material that has low thermal conductivity and that would be suitable for placement using shotcrete methods. This material could be applied in deep, hot mines where mine drifts must be insulate...
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3/1/2006 - Technology NewsA combination of engineering, administrative, and ventilation controls will eventually be required in many large opening mines in the United States to meet the regulatory DPM concentration limits. The AQE is a tool for mine planners to use to estimate s...
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10/1/1994 - Technology NewsAn expert system computer program is described that can predict the spontaneous combustion potential of a mining operation.
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Content source: National Institute for Occupational Safety and Health, Mining Program