气动导数识别是大跨度桥梁抗风研究中备受关注的一个问题。
Identification of flutter derivatives is an attractive topic in the field of wind-resistance study of long-span Bridges.
根据桥梁抗风计算的需要，提出了一整套斜拉桥抖振时域分析的实用方法。
According to the demand of wind-resistance analysis for the Bridges, a full set of practical method of flutter time analysis is brought forward for cable-stayed Bridges.
此外，风洞试验还能为桥梁抗风设计理论和规范的改进提供最直接有效的依据。
In addition, the test can improve directly the theory of wind resistance design to bridge and improve the code of wind resistance design.
抗风稳定性往往成为决定大跨桥梁结构安全性的控制因素。
So, wind resistant stability is the controlling factor that determining the safety of long-span bridge structures.
研究的结论可为今后人行悬索桥的设计提供有益的参考，也为该类型桥梁的抗风设计等奠定基础。
Conclusion of the research may offer good reference to future pedestrian cable suspension bridge design, also it may be used as the foundation for anti-wind design of this type of Bridges.
杭州湾大桥为目前世界最长的跨海公路大桥，主桥包括南航道和北航道两座大跨度桥梁，抗风稳定性是控制主桥设计和施工的主要因素。
The long span bridge over Hangzhou Gulf is the longest across-sea bridge in the world. It mainly consists of the south-channel and the north-channel sections.
因此，抗风问题已成为决定建造大跨度桥梁成功与否的关键问题之一。
Therefore, the wind has become the key issues to decide whether the long-span bridges is successful or not.
介绍作者所在风洞试验室在桥梁结构抗风研究中涉及到的气动措施及其应用方面的内容。
This paper introduces the research and appliance of the aerodynamic measures involved in the wind resistance research taken in the wind tunnel laboratory to which the author belongs.
为了进行更准确的抗风抗震分析，以及将来桥梁的健康检测，实验测量桥梁的自振特性是必不可少的。
For the advanced analysis and health monitoring of the bridge, the vibration characteristics of the structure must be measured.
通过计算研究，得出抗风缆能显著提高桥梁结构的固有频率，产生十分有效的抗风效果。
By calculating study found the wind-resistance cable structure can significantly improve the natural frequency and produced very effective results.
通过计算研究，得出抗风缆能显著提高桥梁结构的固有频率，产生十分有效的抗风效果。
By calculating study found the wind-resistance cable structure can significantly improve the natural frequency and produced very effective results.
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