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《Journal of Railway Science and Engineering》 2006-05
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Seismic response analysis of long-span steel braced deck-type arch bridge

ZHAO Can-hui~(1,2),ZHOU Zhi-xiang~(2)(1.School of Civil Engineering,Southwest Transportation University,Chengdu 610031,China;2.School of Civil Engineering,Chongqing Transportation University,Chongqing 400074,China)  
The seismic response behavior of long-span steel braced deck-type arch bridge was investigated.The interior force response of steel braced deck-type arch bridge subjected to longitudinal excitation,longitudinal vertical excitation,three-dimension exaction was calculated by time-history analysis method.The seismic response behavior of braced deck-type arch bridge subjected to longitudinal excitation,vertical excitation and lateral excitation was analyzed.The effect of travel wave was discussed.The influence of deck support manner was contrasted.The results show that arch end is critic section of steel braced arch bridge subjected to seismic excitation and the arch rib interior force increases obviously due to travel wave effect.The collocation of deck support is important to arch rib interior force.
【Fund】: 国家重大基础研究前期研究项目(2003CCA01500)
【CateGory Index】: U448.22
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