单层球面网壳结构的地震易损性分析研究
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摘要
地震易损性分析对空间结构等重要结构的风险评估以及基于性态的抗震设计具有重要意义。讨论了不考虑下部支撑结构的单层球面网壳结构的理论易损性曲线建立方法及其基本步骤,并进行了算例分析。将各种结构参数进行Monte-Carlo模拟,并随机选取80条地震记录组成了80个结构样本对,用Abaqus软件对每个样本进行了考虑材料损伤累积的增量动力分析,得到了其地震易损性曲线。
Seismic vulnerability analysis is of great importance to risk assessment and performance-based seismic design of structure.A method and its basic steps of seismic vulnerability analysis for single-layer reticulated dome without its substructure is provided and was performed to a reticulated dome model.Monte-Carlo simulation was performed to several structure parameters and 80 seismic records were chosen at random.To each sample,increment dynamic analysis(IDA) is performed with the software Abaqus considering material accumulation.In this way,seismic vulnerability curves of the model are obtained.
引文
1 Lan T T.A review of the development of spatial structures in China.International Journal of Space Structures,2001;(3):157—172
    2任磊,陈晓恬.大跨空间结构技术在奥运建筑中的运用.建筑结构设计研究,2008;1:108—121
    3隋庆海,李鑫.关于航站楼建筑屋盖结构形式发展的总结与展望.建筑钢结构进展,2011;8:15—23
    4严慧.我国大跨空间钢结构应用发展的主要特点.马鞍山:第二届现代结构工程学术研讨会论文集,2002;39—44
    5支旭东,范峰.凯威特型单层球面网壳在强震下的失效研究.工程力学,2008;25(9),7—12
    6支旭东,吴金妹,范峰,等.考虑材料损伤累积单层柱面网壳在强震下的失效研究.计算力学学报,2008;25(6):770—775
    7 Xudong Z,Feng F,Shizhao S.Failure mechanisms of single-layer re-ticulated domes subjected t o earthquakes.Journal of the InternationalAssociation for Shell and Spatial Structures,2007;48(1):29—44
    8史义博,支旭东,范峰,等.单层球面网壳在强震作用下的损伤模型.哈尔滨工业大学学报,2008;40(12):1874—1877
    9支旭东,范峰,沈世钊.强震下单层柱面网壳损伤及失效机理研究.土木工程学报,2007;40(8):29—34
    10支旭东,谢礼立.网壳结构损伤研究在邢台抗震设计中的应用.太原:第16届全国结构工程学术会议论文集(第III册),2007;293—296
    11JGJ61—2003网壳结构技术规程.北京,中国建筑工业出版社,2003
    12 Pan Y,Agrawal A K.Seismic fragility of multi-span simply suppor-ted steel highway bridges in New York state.Journal of Bridge Engi-neering?ASCE/September/October 2010;448—472

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