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BEHAVIOR OF SIMULATED LONGWALL GOB MATERIAL (1993)

This report presents results of a U.S. Bureau of Mines study of longwall gob material. The objective of this work was to determine material stiffness properties of the gob for use in numerical models of rock mass response to longwall mining. Photographs of actual mine gob were digitized to obtain approximate particle size gradations of gob material.
Reference:
U.S. Department of the Interior, Bureau of Mines, Report of Investigations 9458, 1993
Organization:
National Institute for Occupational Safety and Health, USA
USA
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