Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24565
Title: Monitoring dynamic characteristics for a supertall structure under different loading events
Authors: Chen, WH
Lu, ZR
Chen, SH
Ni, YQ 
Liao, WY
Keywords: Ambient vibration test
Modal analysis
Structural health monitoring
Supertall structure
Issue Date: 2011
Publisher: Scientific.Net
Source: Advanced materials research, 2011, v. 243-249, p. 5356-5359 How to cite?
Journal: Advanced materials research 
Abstract: The Guangzhou New TV Tower (GNTVT), completed its construction in May 2009 in Guangzhou China, is a super tall tube-in-tube structure with a total height of 600m. A complicated structural health monitoring (SHM) system consisting of over 700 sensors has been implemented to the GNTVT for both in-construction and in-service real-time monitoring. This implemented SHM system has monitored the structural responses of the GNTVT after having completed its construction under different loading events (the typhoon, the earthquake and normal wind loading conditions). Firstly, the time history and PSD of the acceleration response under different loading events have been compared. Secondly, the modal properties (modal frequencies, mode shapes, and damping ratios) of the structure under different loading events have been identified. The results of this paper supply some references for better understanding the dynamic characteristics of supertall under different loadings.
Description: 1st International Conference on Civil Engineering, Architecture and Building Materials, CEABM 2011, Haikou, 18-20 June 2011
URI: http://hdl.handle.net/10397/24565
ISBN: 978-3037851258
ISSN: 1022-6680
EISSN: 1662-8985
DOI: 10.4028/www.scientific.net/AMR.243-249.5356
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