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中国公路学报
CHINA JOURNAL OF HIGHWAY AND TRANSPORT
2007 Vol.20 No.1 P.68-72

数字化期刊

地震作用下高架桥结构的脆弱性

王建民  朱晞 

摘 要:用能力谱方法和非线性动力分析方法分别建立了高架桥结构的脆弱性曲线.对用两种方法建立的脆弱性曲线进行比较发现:对于保护层混凝土剥落破坏状态,由两种方法分析的结果相差不大;对于纵筋屈曲和倒塌破坏状态,用能力谱方法分析的高架桥结构在给定地面运动强度下的失效概率偏低;用能力谱方法进行分析方便快速,但对于严重破坏状态分析精度较低;在应用非线性动力分析方法时需要对结构进行大量的动力时程分析,但结果精确可靠.
关键词:桥梁工程;高架桥结构;能力谱方法;脆弱性;非线性动力分析方法;地震
分类号:U442.55 文献标识码:A

文章编号:1001-7372(2007)01-0068-05

Fragility of Viaduct Structure Under Seismic Effect

WANG Jian-min  ZHU Xi 

基金项目:国家自然科学基金项目(50578007)
作者简介:王建民(1977-),男,山东菏泽人,工学博士研究生,E-mail:wangwujianmin@163.com.
作者单位:王建民(北京交通大学,土木建筑工程学院,北京,100044) 
     朱晞(北京交通大学,土木建筑工程学院,北京,100044) 

参考文献:

[1]邵长江,吴永红,钱永久.混凝土桥梁结构非线性地震损伤演化[J].中国公路学报,2006,19(5):41-45.SHAO Chang-jiang,WU Yong-hong,QIAN Yong-jiu.Evolution of Nonlinear Seismic Damage of Concrete Bridge Structure[J].China Journal of Highway and Transport,2006,19(5):41-45.
[2]王锁军,王元清,吴杰,等.组合梁刚度对组合框架的抗震性能影响分析[J].建筑科学与工程学报,2006,23(1):39-44.WANG Suo-jun,WANG Yuan-qing,WU Jie,et al.Analysis of Composite Beam Rigidity Influencing Seismic Properties of Composite Frame[J].Journal of Architecture and Civil Engineering,2006,23 (1):39-44.
[3]刘健新,张伟,张茜.洛河特大桥抗震性能计算[J].交通运输工程学报,2006,6(1):57-62.LIU Jian-xin,ZHANG Wei,ZHANG Qian.Anti-seismic Performance Calculation of Luohe Bridge[J].Journal of Traffic and Transportation Engineering,2006,6(1):57-62.
[4]李忠献,黄健,丁阳,等.不同地震激励下大跨度斜拉桥的地震反应分析[J].中国公路学报,2005,18(3):48-53.LI Zhong-xian,HUANG Jian,DING Yang,et al.Seismic Responses of Long-span Cable-stayed Bridges Under Different Patterns of Earthquake Excitations[J].China Journal of Highway and Transport,2005,18(3):48-53.
[5]易伟建,张颖.混凝土框架结构抗震设计的弯矩增大系数[J].建筑科学与工程学报,2006,23(2):46-51.YI Wei-jian,ZHANG Ying.Moment Magnification Factor in Anti-seismic Design of Concrete Frame Structure[J].Journal of Architecture and Civil Engineering,2006,23(2):46-51.
[6]王东升,杨海红,王国新.考虑邻梁碰撞的多跨长简支梁桥落梁震害分析[J].中国公路学报,2005,18(3):54-59.WANG Dong-sheng,YANG Hai-hong,WANG Guo-xin.Seismic Analysis of Girders Falling Down in Multi-span Long Simply Supported Bridges with Adjacent Pounding Effects[J].China Journal of Highway and Transport,2005,18(3):54-59.
[7]MEDINA R.Seismic Demands for Non-deteriorating Frame Structures and Their Dependence on Ground Motion[D].Stanford:Stanford University,2002.
[8]GB 50011-2001,建筑抗震设计规范[S].GB 50011-2001,Code for Seismic Design of Buildings[S].
[9]李新乐.近断层区桥梁结构的设计地震与抗震性能的研究[D].北京:北京交通大学,2004.LI Xin-le.Study on Earthquake and Seismic Performance of Bridge near Fault Areas[D].Beijing:Beijing Jiaotong University,2004.
[10]BERRY M P,EBERHARD M O.Performance Models for Flexural Damage in Reinforced Concrete Columns[R].Berkeley:PEER,2003.
[11]GARDONI P.Probabilistic Models and Fragility Estimates for Structural Components and Systems[D].Berkeley:University of California,2002.
[12]宋一凡,王玉萍.计入弹性基础效应的钢筋混凝土桥梁结构塑性倒塌分析[J].交通运输工程学报,2003,3(3):26-31.SONG Yi-fan,WANG Yu-ping.Plastic Collapse Mechanism of Seismic Assessment for Existing RC Bridges with Flexible Foundation and Bearing Pads[J].Journal of Traffic and Transportation Engineering,2003,3(3):26-31.
[13]宋一凡,贺拴海,曹继伟.基于能量原理的框架桥墩地震力分析[J].长安大学学报:自然科学版,2002,22(1):36-40.SONG Yi-fan,HE Shuan-hai,CAO Ji-wei.Analysis for Transverse Seismic Forces of Frame Bridge Piers Based on Principle[J].Journal of Chang'an University:Natural Science Edition,2002,22 (1):36-40.
[14]DUTTA A.On Energy Based Seismic Analysis and Design of Highway Bridges[D].Buffalo:State University of New York,1999.
[15]National Institute of Building Sciences.HAZUS 99 Technical Manual[M].Washington DC:Federal Emergency Management Agency,1999.
[16]VAMVATSIKOS D,CORNELL C A.Incremental Dynamic Analysis[J].Earthquake Engineering and Structural Dynamics,2002,31 (3):491-514.
[17]SHOME N.Probabilistic Seismic Demand Analysis of Nonlinear Structures[D].Stanford:Stanford University,1999.

收稿日期:2006年4月6日

出版日期:2007年1月31日

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