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Smart Structures and Systems Volume 18, Number 2, August 2016 , pages 317-334 DOI: https://doi.org/10.12989/sss.2016.18.2.317 |
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Structural health monitoring system for Sutong Cable-stayed Bridge |
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Hao Wang, Tianyou Tao, Aiqun Li and Yufeng Zhang
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| Abstract | ||
| Structural Health Monitoring System (SHMS) works as an efficient platform for monitoring the health status and performance deterioration of engineering structures during long-term service periods. The objective of its installation is to provide reasonable suggestions for structural maintenance and management, and therefore ensure the structural safety based on the information extracted from the real-time measured data. In this paper, the SHMS implemented on a world-famous kilometer-level cable-stayed bridge, named as Sutong Cable-stayed Bridge (SCB), is introduced in detail. The composition and core functions of the SHMS on SCB are elaborately presented. The system consists of four main subsystems including sensory subsystem, data acquisition and transmission subsystem, data management and control subsystem and structural health evaluation subsystem. All of the four parts are decomposed to separately describe their own constitutions and connected to illustrate the systematic functions. Accordingly, the main techniques and strategies adopted in the SHMS establishment are presented and some extension researches based on structural health monitoring are discussed. The introduction of the SHMS on SCB is expected to provide references for the establishment of SHMSs on long-span bridges with similar features as well as the implementation of potential researches based on structural health monitoring. | ||
| Key Words | ||
| structural health monitoring system; Sutong Cable-stayed Bridge; subsystem; extension and application of SHMS | ||
| Address | ||
| Hao Wang, Tianyou Tao and Aiqun Li: Key Laboratory of C&PC Structures of Ministry of Education, Southeast University, No. 2 Sipailou, Nanjing 210096, China Yufeng Zhang: Jiangsu Transportation Institute, No. 2200 Chengxin Street, Nanjing 211112, China | ||