| 桁架结构基于地震可靠性分析的优化方法 |
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| 引用本文： | 李鸿晶,冯启民.桁架结构基于地震可靠性分析的优化方法[J].地震工程与工程振动,1997,17(1):9-13. |
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| 作者姓名： | 李鸿晶 冯启民 |
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| 作者单位： | 中国哈尔滨国家地震局工程力学研究所 |
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| 摘 要： | 本文把桁架结构地震可靠性分析和最优化设计方法结合起来，以结构的地震失效率概率为目标函数，给出一种考虑地震可靠性的桁架结构的优化方法。该方法能够解决线性桁架体系在平稳的随机地震地面运动激励下的优化问题，并在给定投资的条件下设计出了安全可靠的桁架结构。
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| 关 键 词： | 可靠性 地震 桁架 桁架结构 最佳化 |
RELIABILITY-BASED OPTIMIZATION OF TRUSSES UNDER SEISMIC LOADS |
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| Li Hongjing,Feng Qimin,Wen Ruizhi.RELIABILITY-BASED OPTIMIZATION OF TRUSSES UNDER SEISMIC LOADS[J].Earthquake Engineering and Engineering Vibration,1997,17(1):9-13. |
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| Authors: | Li Hongjing Feng Qimin Wen Ruizhi |
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| Abstract: | In this paper,a new reliability-based optimal method of trusses is presented. The reliability analysis and optimal design technology are used in this method,and the objective function is the failure probability of structures under seismic loads with investment constraint condition. This method can be used to solve the optimal problem in which the linear trusses are stimulated by the stationary random process of seismic ground motion and the safest trusses can be designed under the constraints of the given investment. |
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| Keywords: | Reliability analysis Seismic loads Truss Optimization |
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