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中文摘要：
提出了近海导管架平台结构可靠性指标分配的模糊优化方法。该方法使导管架海洋平台在尺寸、重量、造价等约束条件下，体系达到模糊最优可靠性。文章从寻找结构主要失效模式、结构控体可靠度指标求解、结构子系统可靠度指标分配三个环节进行研究，得到了较为满意的结果。
英文摘要：
The method to determine the reliability index of the offshore jacket platform by using fuzzy optimum assignment is presented.With this method, the fuzzy optimum reliability index can be obtained under the constraint of construction cost,dimensions and weight of the offshore platform. Firstly,the failure modes and member classifying rules of offshore platform are given in this paper. Secondarily,the optimum distribution rules for reliability of each subsystem are researched and the determination of the system reliability index is given. Finally, the fuzzy distribution of subsystem reliability for jacket platform is researched with this method.
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