Encyclopedia of Structural Health Monitoring Onli
Chapter 123 Modular Architecture of SHM System for Cable-supported Bridges Kai-Yuen Wong1 and Yi-Qing Ni2 1 Highways Department, Government of Hong Kong, China 2 Department of Civil and Structural Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong, China reasoning and experience so that the current and 1 Introduction 1 expected future performance of the bridge, for at least 2 System Architecture of WASHMS 2 the most critical limit events, can be predicted or evaluated. Bridge health monitoring system has been 3 Operation of WASHMS 15 adopted in the past decade to monitor and evaluate 4 Conclusions 16 the structural health conditions of cable-supported References 16 bridges in Hong Kong [1–5]. The bridge health moni- toring system in Hong Kong is referred to as wind and structural health monitoring system (WASHMS ). Bridge health monitoring system is currently consid- ered as an integral part of bridge operation, bridge inspection, and bridge maintenance and has been 1 INTRODUCTION included as a standard mechatronic system in the design and construction of most large-scale and Bridge health monitoring is the tracing of the multidisciplinary bridge projects such as Stonecut- structural health conditions of the bridge in terms ters Bridge (SCB) in Hong Kong [6], and Sutong of the physical parameters categorized as environ- Bridge [7] and Donghai Bridge in mainland China mental loads and status, traffic loads, bridge features, [8]. The experience gained in the design, installa- and bridge responses by reliably measured data and tion, operation, maintenance, and development of the evaluation techniques, in conjunction with inductive WASHMS for Tsing Ma Bridge (TMB), Kap Shui Mun Bridge (KSMB), Ting Kau Bridge (TKB), and Encyclopedia of Structural Health Monitoring.
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