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Material properties affecting the stability of a 50-year-old rock dump in an active mine
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December 1999
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Series: NIOSH Numbered Publications
[PDF-3.37 MB]
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Description:"Material properties affecting slope stability were measured in a large 50-year-old, partially consolidated rock dump located in an active open-pit mine. Field tests included single-ring infiltration and density. In addition, a nuclear depth-moisture gauge was used to measure water content in six stainless-steel-cased drillholes on the crest and an upper bench of the rock dump. Precipitation, evaporation, wind speed and direction, and temperature data were collected at a weather station installed on the dump's crest. Laboratory tests included particle-size distribution, specific gravity, Atterberg limits, and water content. By measuring material properties of a rock dump presumed to be stable, the safety of miners working on or at the toe of old rock dumps constructed of similar material and located in a similar climate can be assessed." - NIOSHTIC-2
Includes bibliographical references (p. 21-22).
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Content Notes:D.R. Tesarik and R.W. McKibbin.
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Pages in Document:print; 22 p. : ill. ; 28 cm.
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NIOSHTIC Number:20000250
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Resource Number:DHHS (NIOSH) Publication No. 2000-110; RI-9651
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