Comparison of the pseudo-static and dynamic behaviour of gravity retaining walls

P. K. Woodward, D. V. Griffiths

    Research output: Contribution to journalLiterature review

    Abstract

    Pseudo-static and dynamic non-linear finite element analyses have been performed to assess the dynamic behaviour of gravity retaining walls subjected to horizontal earthquake loading. In the pseudo-static analysis, the peak ground acceleration is converted into a pseudo-static inertia force and applied as a horizontal incremental gravity load. In the dynamic analysis, an actual measured earthquake acceleration time history has been scaled to provide peak ground acceleration values of 0.1 g and 0.3 g. Good agreement is obtained between the pseudo-static analysis and analytical methods for the calculation of the active coefficient of earth pressure. However, the results from the dynamic analysis require careful interpretation. In the pseudo-static analysis, the increase in the point of application of the resultant active force with the horizontal earthquake coefficient kh from the one-third point to the mid-height of the wall is clearly observed. In the dynamic analysis, the variation in the point of application is shown to be a function of the type of wall deformation. Both finite element analyses indicate the importance of determining the magnitude of the predicted displacements when assessing the behaviour of the wall to seismic loading. © 1996 Chapman & Hall.

    Original languageEnglish
    Pages (from-to)269-290
    Number of pages22
    JournalGeotechnical and Geological Engineering
    Volume14
    Issue number4
    Publication statusPublished - 1996

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    retaining wall
    dynamic analysis
    gravity
    earthquake
    earth pressure
    inertia
    analytical method
    history
    comparison
    analysis

    Keywords

    • Dynamic finite element analysis
    • Earthquake
    • Gravity retaining wall
    • Pseudo-static analysis

    Cite this

    Woodward, P. K. ; Griffiths, D. V. / Comparison of the pseudo-static and dynamic behaviour of gravity retaining walls. In: Geotechnical and Geological Engineering. 1996 ; Vol. 14, No. 4. pp. 269-290.
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    Comparison of the pseudo-static and dynamic behaviour of gravity retaining walls. / Woodward, P. K.; Griffiths, D. V.

    In: Geotechnical and Geological Engineering, Vol. 14, No. 4, 1996, p. 269-290.

    Research output: Contribution to journalLiterature review

    TY - JOUR

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    AU - Woodward, P. K.

    AU - Griffiths, D. V.

    PY - 1996

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    N2 - Pseudo-static and dynamic non-linear finite element analyses have been performed to assess the dynamic behaviour of gravity retaining walls subjected to horizontal earthquake loading. In the pseudo-static analysis, the peak ground acceleration is converted into a pseudo-static inertia force and applied as a horizontal incremental gravity load. In the dynamic analysis, an actual measured earthquake acceleration time history has been scaled to provide peak ground acceleration values of 0.1 g and 0.3 g. Good agreement is obtained between the pseudo-static analysis and analytical methods for the calculation of the active coefficient of earth pressure. However, the results from the dynamic analysis require careful interpretation. In the pseudo-static analysis, the increase in the point of application of the resultant active force with the horizontal earthquake coefficient kh from the one-third point to the mid-height of the wall is clearly observed. In the dynamic analysis, the variation in the point of application is shown to be a function of the type of wall deformation. Both finite element analyses indicate the importance of determining the magnitude of the predicted displacements when assessing the behaviour of the wall to seismic loading. © 1996 Chapman & Hall.

    AB - Pseudo-static and dynamic non-linear finite element analyses have been performed to assess the dynamic behaviour of gravity retaining walls subjected to horizontal earthquake loading. In the pseudo-static analysis, the peak ground acceleration is converted into a pseudo-static inertia force and applied as a horizontal incremental gravity load. In the dynamic analysis, an actual measured earthquake acceleration time history has been scaled to provide peak ground acceleration values of 0.1 g and 0.3 g. Good agreement is obtained between the pseudo-static analysis and analytical methods for the calculation of the active coefficient of earth pressure. However, the results from the dynamic analysis require careful interpretation. In the pseudo-static analysis, the increase in the point of application of the resultant active force with the horizontal earthquake coefficient kh from the one-third point to the mid-height of the wall is clearly observed. In the dynamic analysis, the variation in the point of application is shown to be a function of the type of wall deformation. Both finite element analyses indicate the importance of determining the magnitude of the predicted displacements when assessing the behaviour of the wall to seismic loading. © 1996 Chapman & Hall.

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