Chapter
Apr 26, 2012
Research on Push-Over Analytic Method Considering Higher-Order Vibration Modes
Authors: Yu Mei [email protected], Xiedong Zhang [email protected], Xiaohua Zhao, and Xun Zhou [email protected]Author Affiliations
Publication: ICCTP 2010: Integrated Transportation Systems: Green, Intelligent, Reliable
Abstract
The push-over analytic method has been widely employed to study aseismatic performance of bridge structure. Given proper conditions, this efficient and straightforward method can conduct as reliable as more complicated methods. However, most push-over analyses are based on single-degree-of-freedom (SDOF) system and basic vibration mode of the structure, which may be not suitable for long-span and high-pier bridge. Through finite element analysis, this paper compares the seismic response of continuous girder bridge between the method considering basic vibration mode only and the method considering higher-order vibration modes. A dynamic time-history analysis of the bridge is also conducted to determine the reliability of the push-over analytic method considering higher-order vibration modes.
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© 2010 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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School of Transportation, Wuhan University of Technology, Wuhan, 430063.E-mail: [email protected]
School of Transportation, Wuhan University of Technology, Wuhan, 430063.E-mail: [email protected]
Xiaohua Zhao
School of Transportation, Wuhan University of Technology, Wuhan, 430063
Central and Southern China Municipal Engineering Design & Research Institute, Wuhan, 430063.E-mail: [email protected]
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