基于虚拟激励法的大跨空间结构风振系数研究

Wind load factor of long-span structure based on pseudo-excitation method

通过运用虚拟激励法和对一大跨度平面空间网架的建模分析,研究了屋盖荷载风振系数和位移风振系数,分析比较了结构表面两种风振系数的分布特性和变化规律,研究结果可以作为大跨度网架屋盖风荷载设计的一种参考。

Utilizing the pseudo-excitation method and through a flat space truss structure,the distribution of gust load and displacement factor on roof surface has been studied and compared,respectively.In practice,the procedure presented can be an effectiveness method to estimate the dynamic response of long-span roofs.