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Proceedings Paper

Planning and implementation of the structural health monitoring system for cable-supported bridges in Hong Kong
Author(s): Kai-yuen Wong; C. K. Lau; A. R. Flint
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Paper Abstract

Structural health monitoring works, which measure key structural parameters systematically, provide valuable information in current evaluation of structural integrity, durability and reliability. The application of new structural concept in design and construction of three cable-supported bridges in Tsing Ma Control Area (TMCA) of Hong Kong and complexity and size of cable-supported bridges have called for implementation of such monitoring works to ensure cost optimal maintenance planning and safe bridge operation. A bridge monitoring system has therefore been deployed and implemented in monitoring and evaluating the structural health of these bridges, i.e. Tsing Ma (suspension) Bridge, Kap Shui Mun (cable-stayed) Bridge and Ting Kau (cable-stayed) Bridge. This system is named as Wind And Structural Health Monitoring System (WASHMS) and is composed of five sub-systems, namely, Sensory Systems, Data Acquisition Systems, Data Processing and Analysis Systems, Computer Systems, and Cabling Network Systems. This paper outlines: (1) objectives and scope of monitoring, (2) identification of key structural monitoring parameters, (3) types of sensory systems required, (4) global layout design of WASHMS, (5) development of WASHMS, and (6) implementation of WASHMS.

Paper Details

Date Published: 9 June 2000
PDF: 10 pages
Proc. SPIE 3995, Nondestructive Evaluation of Highways, Utilities, and Pipelines IV, (9 June 2000); doi: 10.1117/12.387819
Show Author Affiliations
Kai-yuen Wong, Hong Kong SAR Government (Hong Kong)
C. K. Lau, Hong Kong SAR Government (Hong Kong)
A. R. Flint, Flint & Neill Partnership (United Kingdom)


Published in SPIE Proceedings Vol. 3995:
Nondestructive Evaluation of Highways, Utilities, and Pipelines IV
A. Emin Aktan; Stephen R. Gosselin; Stephen R. Gosselin, Editor(s)

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