|Table of Contents|

[1] Hui Yingxin, Wang Wenwei, Liu Xinnan, et al. Comfort evaluation of prefabricated and assembledpedestrian cable-stayed bridges [J]. Journal of Southeast University (English Edition), 2023, (1): 26-32. [doi:10.3969/j.issn.1003-7985.2023.01.004]

Comfort evaluation of prefabricated and assembledpedestrian cable-stayed bridges()

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

Research Field:
Traffic and Transportation Engineering
Publishing date:


Comfort evaluation of prefabricated and assembledpedestrian cable-stayed bridges
Hui Yingxin1 2 Wang Wenwei3 Liu Xinnan3
1 School of Civil and Hydraulic Engineering, Ningxia University, Yinchuan 750021, China
2 Ningxia Hui Autonomous Region Engineering Technology Research Center for Maintenance, Yinchuan 750004, China
3 School of Transportation, Southeast University, Nanjing 211189, China
prefabricated assembled pedestrian cable-stayed bridge elastic connection stiffness vehicle load vibration comfort evaluation
To study the vibration responses of prefabricated assembled structures, the comfort of a prefabricated assembled pedestrian cable-stayed bridge was evaluated by limiting the acceleration behavior of the structure. The mode shapes and natural frequencies of the structure under ambient excitation were determined by installing acceleration sensors at the control points. According to the structural characteristics of the elastic connection of the bridge deck splicing, the stiffness of the elastic connection between adjacent segments was determined. Pedestrian and vehicle traffic load analysis models were established according to relevant guidelines. The peak acceleration and acceleration limit under pedestrian and vehicle traffic loads were compared, and the comfort degree of the pedestrian cable-stayed bridge was evaluated. The results show that the natural vibration frequency and peak acceleration match well with the measured values. Considering the reduction of the structural stiffness caused by the prefabricated assembly, the vibration characteristics of the prefabricated assembly structure can be truly reflected thereafter. The comfort evaluation index of the prefabricated assembly structure is consistent with that of the integral structure. The coupling effect between the pedestrian load and vehicle traffic load can be significantly ignored. The vehicle traffic load has a certain degree of influence on structural comfort.


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Biography: Hui Yingxin(1985—), male, doctor, professor, huiyx@seu.edu.cn.
Foundation item: National Natural Science Foundation of China(No. 51578135, 51878156, 52268077), Postgraduate Research and Practice Innovation Program of Jiangsu Province(No. SJCX17_0042, KYCX18_0126), Key R&D Program of Ningxia Hui Autonomous Region(No. 2022 BEG03062).
Citation: Hui Yingxin, Wang Wenwei, Liu Xinnan. Comfort evaluation of prefabricated and assembled pedestrian cable-stayed bridges[J].Journal of Southeast University(English Edition), 2023, 39(1):26-32.DOI:10.3969/j.issn.1003-7985.2023.01.004.
Last Update: 2023-03-20