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Proceedings Paper

MR damping system on Dongting Lake cable-stayed bridge
Author(s): Z. Q. Chen; X. Y. Wang; J. M. Ko; Y. Q. Ni; Billie F. Spencer; G. Yang
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Paper Abstract

The Dongting Lake Bridge is a cable-stayed bridge crossing the Dongting Lake where it meets the Yangtze River in southern central China. After this bridge was completed in 1999, its cables were observed to be sensitive to rain-wind-induced vibration, especially under adverse weather conditions of both rain and wind. To investigate the possibility of using MR damping systems to reduce cable vibration, a joint project between the Central South University of China and the Hong Kong Polytechnic University was conducted. Based on the promising research results, the bridge authority decided to install MR damping systems on the longest 156 stay cables. The installation started in July 2001 and finished in June 2002, making it the world's first application of MR dampers on cable-stayed bridge to suppress the rain-wind-induced cable vibration. As a visible and permanent aspect of bridge, the MR damping system must be aesthetically pleasing, reliable, durable, easy to maintain, as well as effective in vibration mitigation. Substantial work was done to meet these requirements. This paper describes the implementation of MR damping systems for cable vibration reduction.

Paper Details

Date Published: 18 August 2003
PDF: 7 pages
Proc. SPIE 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures, (18 August 2003); doi: 10.1117/12.498072
Show Author Affiliations
Z. Q. Chen, Central South Univ. (China)
X. Y. Wang, Central South Univ. (China)
J. M. Ko, Hong Kong Polytechnic Univ. (China)
Y. Q. Ni, Hong Kong Polytechnic Univ. (China)
Billie F. Spencer, Univ. of Illinois at Urbana-Champaign (United States)
G. Yang, Univ. of Illinois at Urbana-Champaign (United States)


Published in SPIE Proceedings Vol. 5057:
Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures
Shih-Chi Liu, Editor(s)

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