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Structural health monitoring and intelligent vibration control of cable-supported bridges: Research and application

  • Structural Engineering
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Abstract

Advances in structural health monitoring and intelligent vibration control technologies can have a great impact on the performance enhancement of civil engineering structures. In Hong Kong, a sophisticated long-term monitoring system has been devised by the HKSAR Highways Department to monitor structural performance and health conditions of three cable-supported bridges and monitoring systems for two new long-span bridges are also being developed. Implementation of these on-structure monitoring systems motivates associated technological and methodological investigations which are outlined in this paper. Newly emerging auto-adaptive and intelligent materials offer enormous potential for developing smart damping devices for vibration control of civil structures. Successful application of smart magneto-rheological (MR) dampers has recently been realized in the cable-stayed Dongting Lake Bridge for mitigating rain-wind-induced cable vibration. Experience and lessons learned from this engineering practice are summarized in this paper.

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Authors and Affiliations

  1. Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

    J. M. Ko (Chair Professor) & Y. Q. Ni

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  1. J. M. Ko
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  2. Y. Q. Ni
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Correspondence to J. M. Ko.

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Ko, J.M., Ni, Y.Q. Structural health monitoring and intelligent vibration control of cable-supported bridges: Research and application. KSCE J Civ Eng 7, 701–716 (2003). https://doi.org/10.1007/BF02829139

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