Numerical modeling of liquefaction and comparison with centrifuge tests

Peter M. Byrne, Sung Sik Park, Michael Beaty, Michael Sharp, Lenart Gonzales, Tarek Abdoun

    Research output: Contribution to journalArticle

    Abstract

    The prediction of liquefaction and resulting displacements is a major concern for earth structures located in regions of moderate to high seismicity. Conventional procedures used to assess liquefaction commonly predict the triggering of liquefaction to depths of 50 m or more. Remediation to prevent or curtail liquefaction at these depths can be very expensive. Field experience during past earthquakes indicates that liquefaction has mainly occurred at depths less than about 15 m, and some recent dynamic centrifuge model testing initially appeared to confirm a depth or confining-stress limitation on the occurrence of liquefaction. Such a limitation on liquefaction could greatly reduce remediation costs. In this paper an effective stress numerical modeling procedure is used to assess these centrifuge tests. The results indicate that a lack of complete saturation and densification at depth arising from the application of the high-acceleration field are largely responsible for the apparent limitation on liquefaction at depth observed in some centrifuge tests.

    Original languageEnglish (US)
    Pages (from-to)193-211
    Number of pages19
    JournalCanadian Geotechnical Journal
    Volume41
    Issue number2
    DOIs
    StatePublished - Apr 1 2004

    Fingerprint

    Centrifuges
    Liquefaction
    centrifuge
    liquefaction
    modeling
    Remediation
    remediation
    Earth structure
    test
    comparison
    effective stress
    Densification
    seismicity
    Earthquakes
    Earth (planet)
    saturation
    earthquake
    Testing
    prediction
    cost

    Keywords

    • Depth limitation
    • Dynamic centrifuge modeling
    • Liquefaction
    • Numerical modeling

    ASJC Scopus subject areas

    • Geotechnical Engineering and Engineering Geology

    Cite this

    Numerical modeling of liquefaction and comparison with centrifuge tests. / Byrne, Peter M.; Park, Sung Sik; Beaty, Michael; Sharp, Michael; Gonzales, Lenart; Abdoun, Tarek.

    In: Canadian Geotechnical Journal, Vol. 41, No. 2, 01.04.2004, p. 193-211.

    Research output: Contribution to journalArticle

    Byrne, Peter M. ; Park, Sung Sik ; Beaty, Michael ; Sharp, Michael ; Gonzales, Lenart ; Abdoun, Tarek. / Numerical modeling of liquefaction and comparison with centrifuge tests. In: Canadian Geotechnical Journal. 2004 ; Vol. 41, No. 2. pp. 193-211.
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