Dynamic reliability analysis for buffeting of cable-stayed bridge

被引：0
|
作者：
Lu, W. [1 ]
Qiang, S. [1 ]
Li, X. [1 ]
机构：
[1] Dept. of Bridge and Struct. Eng., Southwest Jiaotong University, Sichuan Chengdu 610031, China
来源：
| 2001年 / Chinese Vibration Engineering Society卷 / 20期
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摘要：
Considering the characteristics of long-span cable-stayed bridge, the explicit decomposition technique for the wind velocity spectrum density matrix and the dynamic increment equilibrium iteration method are proposed to fulfill the time history analysis of the bridge buffeting response. On the basis of the results, the first excursion mechanism is adopted to analyze the dynamic reliability for buffeting of long-span cable-stayed bridge. Numerical example is presented to show the advantage of this method and to verify the dynamic reliability of a cable-stayed bridge under wind-loads.
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