Centrifuge scaling laws of pile response to lateral spreading

J. Ubilla, R. Dobry, Tarek Abdoun

    Research output: Contribution to journalArticle

    Abstract

    A number of centrifuge tests have been conducted to study the interaction between liquefied sand under earthquakeinduced lateral spreading and pile foundations. Most of those centrifuge models resemble full-scale prototypes from case histories, usually with limited field measurements, while a few of them replicate the conditions of full-scale heavily instrumented laboratory tests. This paper presents the results of centrifuge tests modelling the single pile interaction with liquefied sand conducted at Rensselaer Polytechnic Institute in Troy, New York, and their comparison with the respective large-scale prototype tests conducted at the National Research Institute for Earth Science and Disaster Prevention in Tsukuba, Japan. A critical analysis of the scaling laws currently used for this kind of centrifuge tests is included, focusing on the use of viscous fluid for centrifuge model saturation and the validity of the centrifuge scaling laws when shear band development plays an important role in soil-structure interaction. This paper also presents recommendations for pile foundations design against the lateral pressure associated with liquefied sand under lateral spreading.

    Original languageEnglish (US)
    Pages (from-to)2-22
    Number of pages21
    JournalInternational Journal of Physical Modelling in Geotechnics
    Volume11
    Issue number1
    DOIs
    StatePublished - Mar 1 2011

    Fingerprint

    pile response
    Scaling laws
    Centrifuges
    centrifuge
    Piles
    Pile foundations
    pile
    Sand
    sand
    Disaster prevention
    Earth sciences
    Soil structure interactions
    shear band
    soil-structure interaction
    Shear bands
    critical analysis
    Earth science
    saturation
    Fluids
    fluid

    Keywords

    • Centrifuge modelling
    • Liquefaction
    • Piles and piling
    • Scaling laws

    ASJC Scopus subject areas

    • Geotechnical Engineering and Engineering Geology

    Cite this

    Centrifuge scaling laws of pile response to lateral spreading. / Ubilla, J.; Dobry, R.; Abdoun, Tarek.

    In: International Journal of Physical Modelling in Geotechnics, Vol. 11, No. 1, 01.03.2011, p. 2-22.

    Research output: Contribution to journalArticle

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