Dynamic response analyses and model vibration tests on seismic isolating foundation of bridge pier

Tongxiang An, Osamu Kiyomiya

    Research output: Contribution to journalArticle

    Abstract

    In this study, the oscillation behavior and the aseismicity of bridge piers with isolating foundations are investigated. An isolating foundation is formed by installing isolation materials such as sand, gravel and PTFE (Teflon sheet) between the footing and the pier foundation and mainly utilizes the relative displacements (sliding and rocking) between the footing and the foundation to absorb and dissipate energy during large-scale earthquakes. The governing equations of motion are derived and dynamic response analyses and model vibration tests on a single pier are carried out. The results show that this isolating system has a significant positive effect in decreasing responses during earthquakes.

    Original languageEnglish
    JournalStructural Engineering/Earthquake Engineering
    Volume23
    Issue number2
    DOIs
    Publication statusPublished - 2006

    Fingerprint

    Bridge piers
    pier
    dynamic response
    Dynamic response
    Dynamic models
    vibration
    footing
    Piers
    Polytetrafluoroethylenes
    earthquake
    Earthquakes
    sand and gravel
    sliding
    Gravel
    oscillation
    Equations of motion
    Sand
    energy
    test
    Footings

    Keywords

    • Bridge pier
    • Dynamic response analysis
    • Lift-off
    • Model vibration test
    • Rocking
    • Seismic isolating foundation
    • Sliding

    ASJC Scopus subject areas

    • Architecture

    Cite this

    Dynamic response analyses and model vibration tests on seismic isolating foundation of bridge pier. / An, Tongxiang; Kiyomiya, Osamu.

    In: Structural Engineering/Earthquake Engineering, Vol. 23, No. 2, 2006.

    Research output: Contribution to journalArticle

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