In China, the high rise structures load code is used for the large span spatial structures, only the first frequency is taken account for the wind vibration analysis, which is not reasonable.
我国现在仍是采用高耸或高层结构的荷载规范，只取结构的第一阶频率计算风振系数，按此方法进行大跨空间网格结构的风振分析是很不合理的。
In wind speed time history simulation of large-span spatial structures, both time and spatial correlation should be considered.
大跨空间结构风速时程模拟需考虑风的时间相关性和空间相关性。
Dynamic properties of the structure is analyzed, and by this means the way that the vibration characteristics of large-scale spatial structures changes with some kinds of factors are studied.
对奥体模型的动力特性进行分析，研究了大型空间结构的动力特性受各种因素影响的变化规律。
The spatial reticulated shells are dynamic-sensitive structures because of large span and spatial multiformity.
空间网壳跨度大、空间造型多样，往往属动力敏感性结构。
T he decision making process of selecting the optimal structural form is shown by taking large-span spatial structures as an practical example.
以大跨空间结构选型为例，说明了结构型式方案优选的决策过程。
The large-span spatial steel ro of structures own specialities such as good rigidity, light weight, fine flexibility and small amortization.
大跨度空间钢结构屋盖具有整体刚度好、质量轻、。柔性大、阻尼小等特点。
The large-span spatial steel ro of structures own specialities such as good rigidity, light weight, fine flexibility and small amortization.
大跨度空间钢结构屋盖具有整体刚度好、质量轻、。柔性大、阻尼小等特点。
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