框架核心筒结构抗震性能分析研究
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摘要
文以某框架核心筒结构为工程背景,用有限元分析软件NOSACAD建立结构分析模型,对结构进行7度多遇和7度罕遇烈度下的弹塑性时程分析。研究框架剪力墙结构的动力特性及在不同烈度地震作用下的加速度反应、位移反应、及层间位移反应等。根据模型结构破坏情况分析结构的薄弱部位和破坏机理,评价结构抗震性能和设计合理性。
In this paper some analysis is practiced on a real-world project,that is,the frame-core-tube structures.we establish the calculation model of the frame-core-tube structures using the finite element analysis software NOSACAD.The elasto-plastic time history analysis is carried out under the frequent and rare intensity of 7 degree earthquake.The seismic behavior,failure mechanism and cracking pattern are estimated basing on the experimental results,including natural frequencies,acceleration and displacement responses of the model under earthquakes of different intensity,used to appraise seismic performance and the rationality of the design.
In this paper some analysis is practiced on a real-world project,that is,the frame-core-tube structures.we establish the calculation model of the frame-core-tube structures using the finite element analysis software NOSACAD.The elasto-plastic time history analysis is carried out under the frequent and rare intensity of 7 degree earthquake.The seismic behavior,failure mechanism and cracking pattern are estimated basing on the experimental results,including natural frequencies,acceleration and displacement responses of the model under earthquakes of different intensity,used to appraise seismic performance and the rationality of the design.
引文
[1]吕西林,金国芳,吴晓涵.钢筋混凝土结构非线性有限元理论与应用[M].上海:同济大学出版社,1997.
[2]孙方涛,吴晓涵,吕西林.竖向地震作用下某大跨度悬挑结构反应分析[J].结构工程师,2009,(4):74-76.
[3]顾祥林,孙飞飞.混凝土结构的计算机仿真[M].上海:同济大学出版社,2002.
[4]吴晓涵,刘东泽,严敏.非对称刚性连体超高层结构弹塑性时程分析[J].建筑结构学报,2011,(6):4-6.
[5]吴晓涵,吕西林.反复荷载下混凝土剪力墙非线性有限元分析[J].同济大学学报,1996,(2):117-123.
[6]吕西林.复杂高层建筑结构抗震理论与应用[M].北京:科学出版社,2007.
[7]龙志飞,岑松.有限元法新论:原理.程序.进展[M].北京:中国水利水电出版社,2001.
[8]陆新征,叶列平,缪志伟.建筑抗震弹塑性分析[M].北京:中国建筑工业出版社,2009.
[9]GB 50011-2010,建筑抗震设计规范[S].
[2]孙方涛,吴晓涵,吕西林.竖向地震作用下某大跨度悬挑结构反应分析[J].结构工程师,2009,(4):74-76.
[3]顾祥林,孙飞飞.混凝土结构的计算机仿真[M].上海:同济大学出版社,2002.
[4]吴晓涵,刘东泽,严敏.非对称刚性连体超高层结构弹塑性时程分析[J].建筑结构学报,2011,(6):4-6.
[5]吴晓涵,吕西林.反复荷载下混凝土剪力墙非线性有限元分析[J].同济大学学报,1996,(2):117-123.
[6]吕西林.复杂高层建筑结构抗震理论与应用[M].北京:科学出版社,2007.
[7]龙志飞,岑松.有限元法新论:原理.程序.进展[M].北京:中国水利水电出版社,2001.
[8]陆新征,叶列平,缪志伟.建筑抗震弹塑性分析[M].北京:中国建筑工业出版社,2009.
[9]GB 50011-2010,建筑抗震设计规范[S].
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