Research on Analysis Method of Seismic Response of Long Span Cable-Stayed Bridge

Xu Li; Sheng Ping Wu; Zhen Zheng Fang

doi:10.4028/www.scientific.net/AMM.353-356.2228

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 353-356Research on Analysis Method of Seismic Response of...

Research on Analysis Method of Seismic Response of Long Span Cable-Stayed Bridge

Abstract:

The response of the long-span cable-stayed bridges under seismic load is complex. Reasonable methods is very important to analyze the seismic performance. In this paper, a practical project is taken as research background which is double pylon cable-stayed bridge with main span of 416m. Two artificial seismic waves and two seismic records were selected to analyze the seismic behaviors by the response spectrum method, time history analysis method and power spectrum method. The result shows that seismic responses of the girder and main tower are basically identical under the effect of artificial seismic wave. The response spectrum analysis results of them are between the other two methods under the effect of the natural seismic wave. For stay cable, time history analysis results has great difference compared with results of other two methods. Therefore, different methods should be choosed base on specific circumstances to analyse the earthquake response of this structure.

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Periodical:

Applied Mechanics and Materials (Volumes 353-356)

Pages:

2228-2232

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.353-356.2228

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Online since:

August 2013

Authors:

Xu Li*, Sheng Ping Wu, Zhen Zheng Fang

Keywords:

Cable-Stayed Bridge, Power Spectrum, Response Spectrum, Time History Analysis

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