Mechanics of lateral spreading observed in a full-scale shake test

R. Dobry, S. Thevanayagam, C. Medina, R. Bethapudi, A. Elgamal, V. Bennett, Tarek Abdoun, M. Zeghal, U. El Shamy, V. M. Mercado

    Research output: Contribution to journalArticle

    Abstract

    This paper examines in detail the mechanics of lateral spreading observed in a full-scale test of a sloping saturated fine sand deposit, representative of liquefiable, young alluvial and hydraulic fill sands in the field. The test was conducted using a 6-m tall inclined laminar box shaken at the base. At the end of shaking, nearly the whole deposit was liquefied, and the ground surface displacement had reached 32 cm. The presented analysis of lateral spreading mechanics utilizes a unique set of lateral displacement results, DH, from three independent techniques. One of these techniques-motion tracking analysis of the experiment video recording-is especially useful as it produced DH time histories for all laminar box rings and a complete picture of the lateral spreading initiation with an unprecedented degree of resolution in time and space. A systematic study of the data identifies the progressive stages of initiation and accumulation of lateral spreading, lateral spread contribution of various depth ranges and sliding zones, their relation to the simultaneous pore pressure buildup, and the soil shear strength response during sliding.

    Original languageEnglish (US)
    Pages (from-to)115-129
    Number of pages15
    JournalJournal of Geotechnical and Geoenvironmental Engineering
    Volume137
    Issue number2
    DOIs
    StatePublished - Jul 1 2010

    Fingerprint

    mechanics
    sliding
    Mechanics
    Sand
    Deposits
    Video recording
    sand
    Pore pressure
    Shear strength
    pore pressure
    shear strength
    fill
    Hydraulics
    hydraulics
    Soils
    history
    soil
    experiment
    Experiments
    test

    Keywords

    • Full-scale tests
    • Hydraulic fill
    • Lateral displacement
    • Liquefaction
    • Residual strength

    ASJC Scopus subject areas

    • Environmental Science(all)
    • Geotechnical Engineering and Engineering Geology

    Cite this

    Dobry, R., Thevanayagam, S., Medina, C., Bethapudi, R., Elgamal, A., Bennett, V., ... Mercado, V. M. (2010). Mechanics of lateral spreading observed in a full-scale shake test. Journal of Geotechnical and Geoenvironmental Engineering, 137(2), 115-129. https://doi.org/10.1061/(ASCE)GT.1943-5606.0000409

    Mechanics of lateral spreading observed in a full-scale shake test. / Dobry, R.; Thevanayagam, S.; Medina, C.; Bethapudi, R.; Elgamal, A.; Bennett, V.; Abdoun, Tarek; Zeghal, M.; El Shamy, U.; Mercado, V. M.

    In: Journal of Geotechnical and Geoenvironmental Engineering, Vol. 137, No. 2, 01.07.2010, p. 115-129.

    Research output: Contribution to journalArticle

    Dobry, R, Thevanayagam, S, Medina, C, Bethapudi, R, Elgamal, A, Bennett, V, Abdoun, T, Zeghal, M, El Shamy, U & Mercado, VM 2010, 'Mechanics of lateral spreading observed in a full-scale shake test', Journal of Geotechnical and Geoenvironmental Engineering, vol. 137, no. 2, pp. 115-129. https://doi.org/10.1061/(ASCE)GT.1943-5606.0000409
    Dobry, R. ; Thevanayagam, S. ; Medina, C. ; Bethapudi, R. ; Elgamal, A. ; Bennett, V. ; Abdoun, Tarek ; Zeghal, M. ; El Shamy, U. ; Mercado, V. M. / Mechanics of lateral spreading observed in a full-scale shake test. In: Journal of Geotechnical and Geoenvironmental Engineering. 2010 ; Vol. 137, No. 2. pp. 115-129.
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