The Impact of Overmining and Undermining on the Eastern Underground Coal Reserve Base – 2 Volume Set. Volume 1 – Final Report
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1976/09/01
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Series: Mining Publications
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Description:This study undertook the development and implementation of a methodology for estimating the impact of coal seam interaction on the eastern bituminous underground reserve base as published in Bureau of Mines IC 8655. The effects of previous mining in multiple coal seam areas on currently mined and reserve seams are predicted as a percentage coal loss by an engineering assessment model called the coal loss calculation model. The model utilizes 12 input variables easily derivable from mine maps or other existing data sources and calculates the effects of subsidence and high stress due to remnant pillars in the previously mined seam. Statistical analysis was used to establish the redundancy of the critical variables and to develop a total coal loss prediction algorithm. A regional analysis resulted in the production of a series of thematic maps on coal characteristics and distribution. A derivative map showing the areas of commonality within the eastern bituminous coal region served as the basis for implementation of the coal loss calculation model. The model was developed and tested using data from four coal mines. [Description provided by NIOSH]
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Pages in Document:1-286
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NIOSHTIC Number:nn:10000870
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NTIS Accession Number:PB-262518
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Citation:Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, OFR 6(1)-77, 1976 Sep; :1-286
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Federal Fiscal Year:1976
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Performing Organization:HRB-Singer, Inc.
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Peer Reviewed:False
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Source Full Name:Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, OFR 6(1)-77
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Main Document Checksum:urn:sha-512:7c9fc76c850c47c068b838831c9be5db59351f66a6deb87ae9ca3964ecd3f3009c81a4f19cb5b42f1a153384f3ffc3b4d11f1bb49e5afe192f02702d60978336
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