钢筋混凝土非对称结构三维pushover分析

王朝晖; 汪梦甫

doi:10.13204/j.gyjz200806012

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钢筋混凝土非对称结构三维pushover分析

doi: 10.13204/j.gyjz200806012

1.
湖南大学土木工程学院,长沙 410082

基金项目:

国家计委科研基金项目(101-9914006-3)

详细信息

作者简介:
王朝晖,男,1969年11月出生,博士研究生。E-mail:wang-,zhaohui@163.com.

计量
- 文章访问数: 65
- HTML全文浏览量: 6
- PDF下载量: 30
- 被引次数: 0
出版历程
- 收稿日期: 2008-02-22
- 刊出日期: 2008-06-20

THREE-DIMENSIONAL PUSHOVER ANALYSIS FOR REINFORCED CONCRETE ASYMMETRIC STRUCTURES

1.
College of Civil Engineering,Hunan Univ. Changsha 410082

摘要

摘要: 研究了采用N2方法进行三维pushover分析的原理与步骤,并对一个12层钢筋混凝土非对称框架结构进行了分析,以弹塑性时程分析结果为标准对pushover分析结果进行了比较。结果表明,水平力倒三角分布与简化模态分布的N2方法能较合理地预测结构的各层最大弹塑性层间位移,但低估了结构的弹塑性层间扭转角。
- 非对称结构 /
- 三维pushover分析 /
- N2方法
Abstract: The principle and procedure of 3D pushover analysis with N2 method are studied,Then,3D pushover analysis is performed for a 12-story reinforced concrete asymmetric frame structure,whose result is evaluated by the elastic-plastic time history analysis.The comparative result shows that the N2 method with reversed-triangle and simplified modal lateral load pattern can predict the more rationally maximal interstory drift,and that the pushover's result underestimates the elastic-plastic interstory torsion rotations.
- asymmetric structures /
- 3D pushover analysis /
- N2 method

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参考文献(6)

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Moghadam A S,Tso W K. 3-D Pushover Analysis for Damage Assessment of Buildings[J].Journal of Seismology and Earthquake Engineering,2000,(03):23-31.

[3] Anil K Chopra,Rakesh K Goel. A Modal Pushover Analysis Procedure to Estimate Seismic Demands for Unsymmetric-plane Buildings:Theory and Preliminary Evaluation[Report No.EERC 2003-08(8)][R].College of Engineering University of California,Berkeley,2003.1-39.

[4] Penelis Gr G,Kappos A J. 3D Pushover Analysis:the Issue of Torsion[M].London,2002.15.

[5] 李刚,刘永. 三维偏心结构的Pushover分析[J].计算力学学报,2005,(05):529-533.

[6] Fajfar Peter. A Nonlinear Analysis Method for Performance Based Seismic Design[J].Earthquake(Spectra),2000,(03):573-592.

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