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《Structural Engineers》 2010-02
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Causation analysis and Enlightenment on Bridge Unseating in the Great WenChuan Earthquake

MENG Jie LIU Zhao(Department of Bridge-Tunnel and Underground Engineering,College of Civil Engineering,Southeast University,Nanjing 210096,China)  
In the Great WenChuan earthquake,many bridges were unseated due to ground shaking and permanent ground deformations resulting from the earthquake and other reasons.Based on field reconnaissance and considerations on structural characteristics of each bridge,the cause and process of the unseating phenomenon in MiaoZiPing and BaiHua Bridge were deduced.It was observed that the movement difference and collision between beam ends are the reason for the unseating of MiaoZiPing Bridge,while the unseating of the side span in BaiHua Bridge induces the whole structure to collapse.Moreover,the common characteristics for bridge unseating and the use of seismic restrainers were discussed.
【CateGory Index】: U442.55
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 LI Hong-jing1,LU Ming2,WEN Zeng-ping3,LUO Ren1(1.College of Civil Engineering,Nanjing University of Technology,Nanjing 210009,China;2.Institute of Crustal Dynamics,China Earthquake Administration,Beijing 100085,China;3.Institute of Geophysics,China Earthquake Administration,Beijing 100081,China);Characteristics of bridge damages in Wenchuan earthquake[J];Journal of Nanjing University of Technology(Natural Science Edition);2009-01
2 JIANG Jing-song,ZHUANG Wei-lin,LIU Zhen-yu(Highway Planning,Survey,Design and Research Institute,Departmentof Communications,Sichuan Province,Chengdu 610041,China);Investigation and Analysis of Seismic Damage to Baihua Bridge in Wenchuan Earthquake[J];Bridge Construction;2008-06
3 Zhou Guoliang,Cui Chengchen,Liu Bideng and Li Xiaojun (Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150080,China);Failure Modes of Near-fault Bridges in Wenchuan Earthquake[J];Technology for Earthquake Disaster Prevention;2008-04
【Co-citations】
Chinese Journal Full-text Database 6 Hits
1 LI Chunfeng(Chang'an University,Xi'an Shaanxi 710064,China);Discussion on Bridge Damage in Wenchuan Earthquake and Seismic Ductility Design[J];Journal of Highway and Transportation Research and Development;2009-04
2 XU Xiuli1,DUAN Hao'an1,LANG Dongmei2,LI Xuehong1,LIU Weiqin1 (1.School of Civil Engineering,Nanjing University of Technology,Nanjing Jiangsu 210009,China;2.Jiangsu Transportation Research Institute,Nanjing Jiangsu 210017,China);Seismic Isolation Design for Long-span Prestressed Concrete Continuous Girder Bridge[J];Journal of Highway and Transportation Research and Development;2009-08
3 TANG Hong-mei,LIU Rong-can,CHEN Hong-kai(Institute of Geotechnical Engineering,Chongqing Jiaotong University,Chongqing 400074,China);Calculation Method and Application of Abutment Slipping Under Earthquake[J];Highway;2010-03
4 LEI Tao,LI Bi-xiong,CAO Peng-jie,SHUN Yuan-kun(Department of Civil Engineering,Sichuan University,Chengdu 610065,Sichuan,China);Analysis on Damage of Near-Faultage Bridges in Wenchuan Earthquake[J];Journal of Chongqing Jiaotong University(Natural Science);2010-03
5 TIAN Shuai and others;An Approach to Techniques for Bridge Pedestal Laying out Rationally[J];Northern Communications;2009-04
6 ZHOU Depei,ZHANG Jianjing,TANG Yong (School of Civil Engineering,Southwest Jiaotong University,Chengdu,Sichuan 610031,China);SEISMIC DAMAGE ANALYSIS OF ROAD SLOPES IN WENCHUAN EARTHQUAKE[J];Chinese Journal of Rock Mechanics and Engineering;2010-03
【Secondary Citations】
Chinese Journal Full-text Database 3 Hits
1 Liu Qifang,Yuan Yifan,Jin Xing,Ding Haiping(1.Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150080,China;2.Earthquake Administration of FujianProvince,Fuzhou 350003,China;3.University of Science and Technology of Suzou, Suzou 215011,China);Basic characteristics of near-fault ground motion[J];Earthquake Engineering and Engineering Vibration;2006-01
2 Zhou Guoliang~(1),Li Xiaojun~(1,2),Qi Xingjun~(2),Li Yaqi~(2) (1.Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150080,China;2.Institute of Geophysics,China Earthquake Administration,Beijing 100081,China);Seismic pounding effects on girder bridges with high piers and mitigating counter measures[J];Earthquake Engineering and Engineering Vibration;2006-05
3 Li Xiaojun (Institute of Geophysics,CSB,Beijing,100081);Comments on phenomena of Great Earthquake Damages and Engineering Seismological Researches[J];Recent Developments In World Seismology;2001-08
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