Seismic Response Analysis of Long Span Cable-Stayed Bridge under Non-Uniform Excitation

Bao Fu Wang; Zhong Ren Feng; Xiong Jiang Wang; Bai Ben Chen

doi:10.4028/www.scientific.net/AMM.246-247.131

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 246-247Seismic Response Analysis of Long Span...

Seismic Response Analysis of Long Span Cable-Stayed Bridge under Non-Uniform Excitation

Abstract:

In this paper, non-uniform dynamic analysis of a cable-stayed bridge is carried out using the large mass method. The Ed Yangtze River highway bridge, constructed in Hubei province, is chosen as a numerical example. In the non-uniform dynamic analysis, various wave velocities are used for the travelling ground motion. Displacements and internal forces solutions obtained for the spatially varying ground motions are compared with those of the uniform excitation. It is observed that the velocity of the ground motion greatly influences the response of the bridge and the variability of the ground motions should be included in the time-history analysis of cable-stayed bridges.

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Periodical:

Applied Mechanics and Materials (Volumes 246-247)

Pages:

131-135

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.246-247.131

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Online since:

December 2012

Authors:

Bao Fu Wang, Zhong Ren Feng, Xiong Jiang Wang, Bai Ben Chen

Keywords:

Cable-Stayed Bridge, Large Mass Method, Seismic Response, Time-History Method

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