Analyses of pit slides in some incompetent rocks: M38-8/19E-PDF

"Twenty-two pit slides that occurred in two Canadian open pit mining properties are analyzed. Information on the results of laboratory tests of the rocks and a brief description of the geological environment are also presented. One deduction from the study is that slides seem to be predictable by using established theory. This corroboration indicates that, contrary to normal mining practice, the appropriate slope angle should vary with the height of the wall. In addition, if the general ground water level around an open pit can be reduced, the appropriate slope angles of the walls could then be increased by a determinable amount. The ultimate objective of these investigations is to determine the relationship between the percentage probability of failure of any slope designed with specific strength parameters. With this relationship it would then be possible to determine optimum slope angles"--p. 94.

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Department/Agency Natural Resources Canada. Dept. of Energy, Mines and Resources. Mines Branch.
Title Analyses of pit slides in some incompetent rocks
Series Title Reprint series ;
Publication Type Series - View Master Record
Language [English]
Format Electronic
Electronic Document

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Note Cover title. "Reprinted from Trans. of the Society of Mining Engineers of AIME, March 1963, pp. 94-101." Historical publication digitized from print 2017 [by Natural Resources Canada].
Date 1966.
Number of Pages p. 94-101 :
Catalogue Number
  • M38-8/19E-PDF
Departmental Catalogue Number 300098
Subject Terms Mining industry, Landslides, Rocks, Physics