|Table of Contents|

[1] Lin Yuanzheng, Zong Zhouhong, Li Yale, Wang Liqi, et al. Seismic response analysis of a reinforced concrete continuousbridge considering coupling pounding-friction effect [J]. Journal of Southeast University (English Edition), 2018, 34 (3): 340-348. [doi:10.3969/j.issn.1003-7985.2018.03.009]

Seismic response analysis of a reinforced concrete continuousbridge considering coupling pounding-friction effect()

Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

2018 3
Research Field:
Traffic and Transportation Engineering
Publishing date:


Seismic response analysis of a reinforced concrete continuousbridge considering coupling pounding-friction effect
Lin Yuanzheng Zong Zhouhong Li Yale Wang Liqi
School of Civil Engineering, Southeast University, Nanjing 210096, China
coupling pounding-friction effect reinforced concrete continuous bridge seismic response analysis bi-directional ground motions OpenSees
To evaluate the coupling pounding-friction effect between bridge girders and retainers and its influence on bridge seismic response, a reinforced concrete(RC)continuous bridge is selected as the research object. Three bridge finite element(FE)models were built using OpenSees, in which the longitudinal and transverse pounding elements, as well as the transverse failure element of bearings were introduced. Based on this, the seismic response analysis considering the coupling pounding-friction effect was conducted for the continuous bridge subjected to bi-directional ground motions. Furthermore, the influential parameters were analyzed. The analysis results indicate that the coupling pounding-friction effect can alter the internal force distribution of the bridge structure and generate additional torsional force to bridge columns. The friction coefficient and longitudinal pounding gap size are two important factors. The appropriate friction coefficient and longitudinal pounding gap size can significantly reduce seismic response of girders, and effectively transfer part of the girder inertia force from the fixed columns to the sliding columns, which can reduce the seismic demands of the fixed columns and improve the seismic performance of continuous bridge structures.


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Biographies: Lin Yuanzheng(1990—), male, Ph.D. candidate; Zong Zhouhong(corresponding author), male, doctor, professor, zongzh@seu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No. 51678141), the Postgraduate Research & Practice Innovation Program of Jiangsu Province(No. KYCX17_0128), the Fundamental Research Funds for the Central Universities.
Citation: Lin Yuanzheng, Zong Zhouhong, Li Yale, et al. Seismic response analysis of a reinforced concrete continuous bridge considering coupling pounding-friction effect[J].Journal of Southeast University(English Edition), 2018, 34(3):340-348.DOI:10.3969/j.issn.1003-7985.2018.03.009.
Last Update: 2018-09-20