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Accession Number
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PB2013-102222
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Title
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Reinforcing Coal Mine Roof with Polyurethane Injection: 4 Case Studies.
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Publication Date
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2012
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Media Count
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14p
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Personal Author
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G. Molinda
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Abstract
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NIOSH has recently completed a study of the interaction between polyurethane (PUR) and coal mine roof in order to determine the mechanism of reinforcement, in both highly fractured rock and unfractured rock. Four case studies of PUR reinforcement are presented.
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Keywords
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Case studies
Coal mines
Fractured rock
Mine safety
Polyurethane resins
Reinforcement
Roofs
Unfractured rock
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Source Agency
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National Institute for Occupational Safety and Health
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NTIS Subject Category
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48A - Mineral Industries
50D - Soil & Rock Mechanics
68G - Environmental Health & Safety
46E - Structural Mechanics
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Corporate Author
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National Inst. for Occupational Safety and Health, Pittsburgh, PA. Pittsburgh Research Lab.
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Document Type
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Technical report
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Title Note
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N/A
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NTIS Issue Number
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1306
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Contract Number
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N/A
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