连续梁反应谱比较分析
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摘要
以实际工程为背景,采用有限元程序对采用墩梁固结和墩梁铰接形式的3跨和2跨独柱墩连续梁桥建立有限元模型,并进行地震反应谱分析,通过对桥墩弯矩、剪力和位移等分析得出对于该桥的抗震采用2跨墩梁固结的形式比较好,能达到美观和实用的效果,对于以后的工程设计和模型建立有一定的指导意义。
With the practical engineering project as background,the finite element bridge model with single column pier,which includes the consolidated and articulated structure of pile and girder for three-span and two-span continuous beam,is built.The consolidated structure of two-span continuous beam is beneficial to seismic that is found through the comprehensive data analysis of pier moment,shearing force and displacement after the analysis of earthquake response spectrum.The artistic and practical effects are produced by the research results,which will offer a good reference for the future design and model building of similar construction.
引文
[1]刘永铿.大跨径长连续梁桥墩抗震设计探讨[J].山西交通科技,1994(3):31-35.
    [2]范立础.桥梁抗震[M].上海:同济大学出版社,1997.
    [3]JTG/T B02-01-2008,公路桥梁抗震设计细则[S].
    [4]张凯,李宇,王保群.钢箱梁桥地震响应的有限元分析[J].山东交通学院学报,2008,16(2):54-58.
    [5]李国豪.桥梁结构的稳定与振动[M].北京:中国铁道出版社,2002.

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