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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Dong Liang,Yong Chen.Influence of Girder Vibration on Cable Damper’s Performanceof A Cable-stayed Bridge[J].Journal of Harbin Institute Of Technology(New Series),2014,21(1):109-114.DOI:10.11916/j.issn.1005-9113.2014.01.016.
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Influence of Girder Vibration on Cable Damper’s Performanceof A Cable-stayed Bridge
Author NameAffiliation
Dong Liang Dept.of Civil Engineering, Hebei University of Technology, Tianjin 300130, China 
Yong Chen Dept.of Civil Engineering, Zhejiang University, Hangzhou 310027, China 
Abstract:
The model combined by cable, girder and damper is founded to study the influence of girder vibration on cable damper’s performance of a cable-stayed bridge. The complex mode method and nondimensionalization are used to analyze the relationship between the girder’s parameters and the performance of cable-related damper. The results indicate that the performance of cable-related damper will decrease greatly when the girder frequencies are near the frequencies of cable. The smaller absolute displacement of damper’s piston caused by the very small vibration phase shift of girder and cable is the physical cause of the negative impact mentioned above.
Key words:  cable-stayed bridge, vibration mitigation of cable, girder vibration, modal damping, complex mode method, cause analysis
DOI：10.11916/j.issn.1005-9113.2014.01.016
Clc Number:U441+.3
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