And an analysis is made of the effects about aerodynamic admittance function, return period and several stochastic factors on buffeting failure probability for long-span bridges.

• 在改善结构荷载输入精度前提下，对其中多个关键环节-导纳函数、重现期、多种结构随机性进行参数分析，实现了大跨度斜拉桥抖振失效评价的过程分析，并从中得出相关结论。