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Results 551 - 560 of 646
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1/1/1999 - Conference papersA study on the mechanics of strata behavior determined through extensive field measurements. Practical techniques for assessing roof behavior were developed along with a prototype remote controlled roof support system.
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11/1/1998 - Conference papersTo provide a better understanding of the mechanics of strata deformation, the authors have collected and reviewed measurements of convergence and stress in one western U.S. mine and have completed modeling for two typical pillar-pulling plans.
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10/1/1998 - Conference papersGrowing concern from labor unions, regulatory agencies, and industry about the safety of a prevalent underground coal mining method which utilizes remote control has prompted human factors field evaluation of mining activities. To determine work methods...
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10/1/1998 - Conference papersNIOSH researchers assert that the use of a realistic scenario interview will result in frank and detailed responses from face crew members. This approach provides an effective means of acquiring worker perceptions of the types of hazards that exist, the...
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10/1/1998 - Conference papersLike many experienced workers, remote control continuous miner operators perform their everyday jobs making choices and decisions that they may not consciously think about. To better understand what potential cues and feedback help to guide the operator...
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8/1/1998 - Conference papersGround conditions at 10 Australian longwall mines and two room-and-pillar mines are compared with an extensive database from U.S. mines. Comparisons include the Coal Mine Roof Rating, roof support, pillar design, and ground control conditions.
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8/1/1998 - Conference papersThis paper describes the potential adaption of systems such as interferometric synthetic aperture radar, imaging spectroscopy, and time-domain reflectometry, to slope monitoring and design.
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8/1/1998 - Conference papersBased on field investigations and a U.S. coal mines database containing 12 mines and 639 roof falls, NIOSH determines the factors that influence intersection instability and provides guidelines for the safe excavation and support of intersections.
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8/1/1998 - Conference papersSeveral experimental programs were conducted at the Pittsburgh Research Center to investigate the level of mine fire detection and alarm capability possible using state-of-the-art technology.
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8/1/1998 - Conference papersA comprehensive survey of mine seismicity a rock bursting during development of two sublevels at the Lucky Friday Mine, Mullan, ID, was conducted to better define rock failure mechanisms and sources of ground control hazards.
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Content source: National Institute for Occupational Safety and Health, Mining Program