某超高层建筑的推覆分析 |
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引用本文: | 朱玉梅,;王红军.某超高层建筑的推覆分析[J].佳木斯工学院学报,2014(3):367-370. |
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作者姓名: | 朱玉梅 ;王红军 |
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作者单位: | [1]上海嘉宝实业集团股份有限公司,上海201899; [2]中信建筑设计研究总院有限公司,湖北武汉430014 |
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摘 要: | 为了研究某一高层建筑在大震作用下的损伤情况,本文采用Midas Building有限元软件对该建筑进行推覆分析.由计算结果知,该结构在大震作用下,最大弹塑性层间位移角为:X向1/219,Y向1/566,均满足规范1~2]要求的最低标准1/120.根据计算结果,对本工程结构构件进行抗震性能评价,剪力墙、框架柱均未屈服,连梁与框架梁出现塑性铰,但均未达到CP状态3].结果表明结构能满足抗震性能设计的要求,达到了大震不倒的抗震设防目标.
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关 键 词: | 超高层结构 静力弹塑性分析 抗震性能评价 |
Pushover Analysis of the Super High-rise Building |
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Affiliation: | ZHU Yu-mei, WANG Hong-jun ( 1. Shanghai Jiabao Industry (Group) Consultant Ltd., Shanghai 201899, China;2. CITIC General Institute of Architectural Design and Research Consultant Ltd., Wuhan 430014, China) |
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Abstract: | In order to study the damage under earthquake of a super high -rise building , the finite ele-ment software of Midas Building is used to analyze the pushover of a super high -rise structure in this paper . Based on the calculation results , the plastic interlayer maximum displacement angles of the model under earth-quake are X:1/219, Y:1/566 respectively, both meet the specification required minimum standard of 1/120. According to the seismic performance evaluation of the structural elements for the project , the shear wall , frame column did not yield .The related beam and frame beam appeared plastic hinge , but both did not reach the status of CP.The results show that the structure can meet the requirement of performance -based seismic design .It can fulfill the seismic fortification criterion "no collapse under rare earthquake". |
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Keywords: | super high-rise structure pushover analysis seismic performance evaluation |
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