The magic of sands: the 20th Bjerrum Lecture presented in Oslo, 25 November 2005

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    Following the discovery of sinkholes in the W.A.C. Bennett Dam, British Columbia, in 1996, investigations showed that there had apparently been movement of fine material out of the core of the dam. To be able to predict the mechanical consequences of such movement of material, a class of soil model that is able to accommodate changes in both density and grading of the soil is required. An outline of features of the Severn-Trent sand model - which incorporates effects of density variation - is presented and a suggestion is made for ways this model might be extended to include effects of changing particle size distribution.
    Original languageUndefined/Unknown
    Pages (from-to)1329-1350
    Number of pages22
    JournalCanadian Geotechnical Journal
    Issue number11
    Publication statusPublished - 2007

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