期刊
ENGINEERING STRUCTURES
卷 59, 期 -, 页码 80-94出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2013.10.021
关键词
Suspension roof; Dynamic monitoring; Wind monitoring; Wind; Temperature; Modal variability
资金
- FCT [SFRH/BD/44291/2008]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/44291/2008] Funding Source: FCT
This paper describes an extensive experimental investigation conducted on the Braga Stadium suspension roof combining recent developments in terms of sensors, data communicating systems, computational power and automated output-only modal identification algorithms. The continuous monitoring program established around this outstanding structure has allowed the continuous measurement of wind, temperature and acceleration. The variation of such quantities during a period of 8 months has been investigated, with the purpose of obtaining a characterisation of the wind action based on field tests, establishing correlations with the structural response and finally analysing the influence of wind and temperature on the variation of modal parameters. (C) 2013 Elsevier Ltd. All rights reserved.
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