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  • Identification of possible new failure mechanisms for the collapse of tailings dams

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    47208_1.pdf (314.7Kb)
    Author(s)
    Chu, Jian
    Leong, Wing Kai
    Balasubramaniam, Bala
    Lo, Sik-Cheung Robert
    Griffith University Author(s)
    Balasubramaniam, Bala B.
    Year published
    2007
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    Abstract
    Static liquefaction has been considered as one of the most common failure mechanisms for tailings dams. However, for tailings with relatively high permeability, the assumption of an undrained condition becomes questionable under static loading conditions. In fact, many granular soil or tailings at its in-situ density may not liquefy under static, undrained conditions. In this paper, the problems with the current design approaches for tailings dams are identified. Laboratory test results are presented to demonstrate that granular soil can become unstable under drained or nonundrained conditions. Based on the testing ...
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    Static liquefaction has been considered as one of the most common failure mechanisms for tailings dams. However, for tailings with relatively high permeability, the assumption of an undrained condition becomes questionable under static loading conditions. In fact, many granular soil or tailings at its in-situ density may not liquefy under static, undrained conditions. In this paper, the problems with the current design approaches for tailings dams are identified. Laboratory test results are presented to demonstrate that granular soil can become unstable under drained or nonundrained conditions. Based on the testing data, two possible new failure mechanisms for tailings dams are proposed.
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    Conference Title
    Proceedings of the 10th Australia New Zealand Conference on Geomechanics
    Publisher URI
    http://www.australiangeomechanics.org/
    Copyright Statement
    © 2007 AGS. The attached file is reproduced here in accordance with the copyright policy of the publisher. Use hypertext link for access to publisher's website.
    Publication URI
    http://hdl.handle.net/10072/17056
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    • Conference outputs

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