Simplified Criterion for Low Gravity Center Cable-Stayed Bridge Based on Response Spectrum Analyses

Ying Chen (), Yonghuan Wang, Wenxue Zhang, Kun Liang and Xiuli Du
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Ying Chen: Key Laboratory of Earthquake Engineering and Structural Retrofit of Beijing, Department of Civil Engineering, Beijing University of Technology, No.100 Ping Leyuan, Chaoyang District, Beijing 100124, China
Yonghuan Wang: Key Laboratory of Earthquake Engineering and Structural Retrofit of Beijing, Department of Civil Engineering, Beijing University of Technology, No.100 Ping Leyuan, Chaoyang District, Beijing 100124, China
Wenxue Zhang: Key Laboratory of Earthquake Engineering and Structural Retrofit of Beijing, Department of Civil Engineering, Beijing University of Technology, No.100 Ping Leyuan, Chaoyang District, Beijing 100124, China
Kun Liang: Key Laboratory of Earthquake Engineering and Structural Retrofit of Beijing, Department of Civil Engineering, Beijing University of Technology, No.100 Ping Leyuan, Chaoyang District, Beijing 100124, China
Xiuli Du: Key Laboratory of Earthquake Engineering and Structural Retrofit of Beijing, Department of Civil Engineering, Beijing University of Technology, No.100 Ping Leyuan, Chaoyang District, Beijing 100124, China

Sustainability, 2022, vol. 14, issue 17, 1-10

Abstract: The seismic response characteristics of a cable-stayed bridge are closely related to the structural system. At the same time, the influence of the height of the gravity center cannot be ignored in the structural system selection of cable-stayed bridges. For convenience, to make the scheme comparison and structural system selection in the preliminary design stage of a cable-stayed bridge, the judgment criterion of a low gravity center cable-stayed bridge was proposed, based on the simplified calculation of the fundamental frequency of cable-stayed bridges with two kinds of the structural system and combined with the response spectrum analysis method. The comparison of the results of the finite element model and the calculating results of the criterion showed that the judgment criterion has high accuracy and reliability, and can be applied to the preliminary design, the scheme comparison of cable-stayed bridges, and help select structural systems in the preliminary design stage of cable-stayed bridges.

Keywords: cable-stayed bridge; low gravity center; simplified calculation; shaking table test (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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