Buffeting is a kind of wind-induced vibration phenomenon of long-span cable-stayed bridges which is easy to occur. Balanced cantilever method is widely employed for the construction of cable-stayed bridge. The maximum double-cantilever state is the most dangerous state of wind resistance. Through the aeroelastic model wind tunnel experiment, the buffeting response of a cable-stayed bridge in construction under skew winds is studied in this paper. The variation law of buffeting response with the wind yaw angle is compared between the two cases with and without pylon. The experimental results show that for the same wind yaw angle the lateral and vertical buffeting responses of the main girder increase with the wind speed approximately in a quadratic curve, while the torsional buffeting response tends to increase linearly. At the same wind speed, the buffeting response of the main girder presents non-monotonic changes with increased wind yaw angle. Under skew winds, due to the disturbing effect of the pylon and the influence of the three-dimensional flow field, the buffeting response of the main girder will be affected by the aerodynamic interference of pylon. When the wind yaw angle is small, the interference effect is not obvious, with the increase of wind yaw angle and wind speed, the interference effect begins to appear. Generally speaking, the aerodynamic interference of the bridge pylon on the buffeting responses can be ignored.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Buffeting Response of Cable-Stayed Bridge during Construction under Skew Winds and Pylon Interference


    Additional title:

    KSCE J Civ Eng


    Contributors:
    Jian, Bin (author) / Su, Yi (author) / Li, Mingshui (author)

    Published in:

    Publication date :

    2020-10-01


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Influence Factors Analysis of Buffeting Response of Self-Anchored Cable-Stayed Suspension Bridge

    Huang, H. / Zhang, Y. / Liu, B. et al. | British Library Conference Proceedings | 2009



    Cable-stayed bridge deck crane for hoisting large-tonnage cable-stayed bridge steel beam and construction method

    LU GUANNAN / WU RUIHUAN / ZHANG HUAWU et al. | European Patent Office | 2025

    Free access

    Construction Techniques for the Wuhekou Cable-Stayed Bridge

    Wang, Y. / Jiang, Z. / Liu, S. et al. | British Library Conference Proceedings | 2008


    Construction elevator arrangement method for cable-stayed bridge

    CHEN PENGFEI / HUANG DELI / GONG JUNJIAN et al. | European Patent Office | 2024

    Free access