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- Mining types and methods:
- Longwall mining
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Results 51 - 60 of 99
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12/1/2007 - Peer reviewed journal articlesThis paper describes research designed to develop guidelines and test procedures for identifying all noise sources that are major contributors to the underground noise exposure of longwall coal mining system workers.
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9/1/2007 - Peer reviewed journal articlesThis study investigates different horizontal methane drainage borehole patterns, borehole lengths, and degasification times prior to and during panel extraction to evaluate their effectiveness in reducing methane emissions using a dynamic 3D reservoir m...
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7/1/2007 - Peer reviewed journal articlesThis paper presents the development and results of a comprehensive, "dynamic," three-dimensional reservoir model of a typical multi-panel Pittsburgh coalbed longwall mine. Results presented in this paper include a simulation of gas flow patterns from th...
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6/1/2007 - Conference papersThis paper presents an overview of ongoing studies, a progress report of results, and the implications for reducing worker noise exposures and preventing noise-induced hearing loss in longwall mining workers.
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5/1/2007 - Conference papers, Information CircularsA detailed evaluation of the multiple-seam experiences at Harris No. 1 Mine was done as part of NIOSH's nationwide multiple-seam mining case history database.
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2/1/2007 - Conference papersMethane can be a significant hazard in coal mine longwalling operations and extensive methane mitigation techniques are employed by coal mine operators. Reservoir modeling techniques are used to better understand the liberation and migration of methane ...
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2/1/2007 - Conference papersRelatively few longwall mines in the U.S. operate under multiple seam conditions where the two seams are less than 200 ft apart. This paper describes the experience of six that do and lessons learned.
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11/1/2006 - Peer reviewed journal articlesThis report summarizes the results of noise surveys, consisting of full-shift worker noise exposure, time-motion studies, and equipment noise profiling for longwall and continuous miner sections in six underground coal mines.
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6/1/2006 - Conference papersThis paper presents an update on longwall dust control technology and practices in the U.S. It summarizes the results of NIOSH dust surveys conducted at longwalls throughout the country to document the types of controls that are being used and to quanti...
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6/1/2006 - Conference papersThis paper describes the development of reservoir models for the longwall mining environment and their application for investigating the influence of various completion design parameters on the methane drainage effectiveness of gob gas ventholes.
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Content source: National Institute for Occupational Safety and Health, Mining Program