基于侧向力加载方式的Pushover分析方法

孙勇; 张志强; 程文瀼; 李爱群

doi:10.13204/j.gyjz200905009

基于侧向力加载方式的Pushover分析方法

doi: 10.13204/j.gyjz200905009

1.
1. 东南大学土木工程学院,南京 210096;
2.
2. 江苏省建筑科学研究院结构所,南京 210008

基金项目:

国家支撑计划《既有建筑功能提升改造关键技术研究》(2006BAJ03A04)项目

详细信息

作者简介:
孙勇，男，1983年2月出生，硕士。E-mail:zzq19690614@vip.sina.com

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- 文章访问数: 129
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- 被引次数: 0
出版历程
- 收稿日期: 2008-10-28
- 刊出日期: 2009-05-20

STUDY ON PUSHOVER ANALYSIS METHOD BASED ON LATERAL LOADING PATTERN

1.
1,2) Zhang Zhiqiang~1 Cheng Wenrang~1 Li Aiqun~1(
2.
1. College of Civil Engineering,Southeast University,NanJing 210096,China;

摘要

摘要: 静力弹塑性(Pushover)分析方法作为一种评估结构抗震性能的非线性分析方法，具有简便、实用、可靠的优点，近年来在国内外得到了广泛的关注和研究。针对静力弹塑性分析方法的研究热点问题侧向力加载模式作了详细的介绍和深入的分析，在此基础上对两个混凝土框架高层结构(分别为平面不规则和规则的结构)进行了基于侧向力加载模式的推覆分析。对比分析了不同侧向力加载模式下的基底剪力-顶点位移关系曲线和层间位移角关系曲线，认为基于均匀分布模式和倒三角分布模式的推覆分析对实际工程的弹塑性分析具有指导意义，自适应分布模式的推覆分析方法可以代替弹塑性时程分析方法来评估结构的抗震性能。
- 静力弹塑性分析 /
- 高阶振型 /
- 侧向荷载分布模式 /
- 自适应分布模式
Abstract: Pushover analysis method is a nonlinear method for structure seismic evaluation,which is widely focused on and studied at home and abroad due to its advantages of simplification,practicality and reliability.It was introduced and analysed the hotspot of research on static elastic-plastic analysis methodlateral loading pattern.Based on which two concrete frame high-rise buildings were analyzed by pushover analysis method based on lateral loading pattern.Last,it was analyzed base shear vs top displacement curve and inter-story drift curve,and concluded that static elastic-plastic analysis method based on uniform distribution load pattern and triangle distribution load pattern has a guidance to elastic-plastic analysis of practical projects and that static elastic-plastic analysis method based on modal adaptive distribution load pattern can be used to evaluate structure seismic performance instead of time-history analysis method.
- static elastic-plastic analysis /
- high-order vibration mode lateral load /
- distribution pattern /
- adaptive distribution load pattern

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参考文献(10)

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[8] 毛华,丁浩民.某复杂高层钢结构静力弹塑性分析及性能评价[J].结构工程师,2006,22(1):22-27,33;

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