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中文摘要：
主要针对地震与波浪联合作用下空间导管架式海洋平台结构的动力响应特性进行研究。以春晓平台结构为例，利用ANSYS程序进行了动力响应的数值计算，分析中考虑了地震设防烈度、风浪条件及场地土类型等因素对结构响应的影响，并与地震单独作用下的结构响应进行了对比。分析结果表明，抗震设防烈度较低、中等及较大风浪条件下对海洋平台结构进行抗震分析时有必要考虑地震与波浪的联合作用。
英文摘要：
In this study, the dynamic response characteristic of a steel jacket platform under the combination of seismic action and wave action is investigated. The spatial model of a Chun Xiao platform in East China Sea is established in Ansys program for numerical calculation of dynamic response. The parameters which will affect the platform response are analyzed, such as seismic intensity, wind wave state and the condition of the site where the platform is located, and the platform response under both actions is compared simultaneously with the one that is under only seismic action. The results show that when the seismic intensity is low and wind wave state is moderate or rough, considering the combina- tion of seismic action and wave action is necessary for the seismic analysis of offshore platforms.
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