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《Journal of Chongqing Jiaotong University(Natural Science)》 2007-06
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Wind-Excited Flutter Analysis of Cable-Stayed Bridge with Long Span of Pengxi River

LI Xi1,2,TU Zhong-ren3,GU An-bang1(1.School of Civil Engineering & Architecture,Chongqing Jiaotong University,Chongqing 400074,China;2.Filiale of Bei-Fang,Expressway Develop Ltd.,Chongqing 401147,China;3.School of River & Ocean Engineering,Chongqing Jiaotong University,Chongqing 400074,China)  
Focusing on the sensitivity of wind load action on cable-stayed bridge,investigated the mechanism and analytical method of wind-excited flutter.On the basis of that,taking the Pengxi river cable-stayed bridge with long span as an example,a proper dynamic calculation model was established by using the professional software of MIDAS and with geometric nonlinear consideration.According to the dynamic behavior at both construction and completion stage,the wind-resistant behavior of the bridge was evaluated.These results provide reference for the design of wind-resistant and the analysis of dynamic stability.
【CateGory Index】: U441.3
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