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http://hdl.handle.net/10397/28577| Title: | Technology innovation in developing the structural health monitoring system for Guangzhou New TV Tower | Authors: | Ni, YQ Xia, Y Liao, WY Ko, JM |
Issue Date: | 2009 | Source: | Structural control and health monitoring, 2009, v. 16, no. 1, p. 73-98 | Abstract: | The Guangzhou New TV Tower (GNTVT), currently being constructed in Guangzhou, China, is a supertall structure with a height of 610m. This tube-in-tube structure comprises a reinforced concrete inner tube and a steel outer tube adopting concrete-filled-tube columns. A sophisticated structural health monitoring (SHM) system consisting of over 600 sensors has been designed and is being implemented by The Hong Kong Polytechnic University to GNTVT for both in-construction and in-service real-time monitoring. This paper outlines the technology innovation in developing and implementing this SHM system, which includes (i) modular design of the SHM system, (ii) integration of the in-construction monitoring system and the in-service monitoring system, (iii) wireless-based data acquisition and Internet-based remote data transmission, (iv) design and implementation of a fiber Bragg grating sensing system, (v) structural health and condition assessment using static and dynamic monitoring data, (vi) verification of the effectiveness of vibration control devices by the SHM system, and (vii) development of an SHM benchmark problem by taking GNTVT as a test bed and using real-world measurement data. Preliminary monitoring data including those obtained during the Wenchuan earthquake and recent typhoons are also presented. | Keywords: | Benchmark problem Structural health monitoring (SHM) Supertall structure |
Publisher: | John Wiley & Sons Ltd | Journal: | Structural Control and Health Monitoring | DOI: | 10.1002/stc.303 |
| Appears in Collections: | Journal/Magazine Article |
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