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An Experimental Investigation of the Indirect Bridge Frequency Identification

An Experimental Investigation of the Indirect Bridge Frequency Identification
Auteur(s): , , , ,
Présenté pendant IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022, publié dans , pp. 1521-1526
DOI: 10.2749/nanjing.2022.1521
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Indirect identification of bridge frequencies, which refers to identifying bridge frequencies from the dynamic responses of a vehicle moving or stopping on the bridge, has the potential to fast ins...
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Détails bibliographiques

Auteur(s): (State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China)
(State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China)
(State Key Laboratory for Health and Safety of Bridge Structures, Wuhan 430034, China)
(State Key Laboratory for Health and Safety of Bridge Structures, Wuhan 430034, China)
(Department of Bridge Engineering, Tongji University, Shanghai 200092, China)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022
Publié dans:
Page(s): 1521-1526 Nombre total de pages (du PDF): 6
Page(s): 1521-1526
Nombre total de pages (du PDF): 6
DOI: 10.2749/nanjing.2022.1521
Abstrait:

Indirect identification of bridge frequencies, which refers to identifying bridge frequencies from the dynamic responses of a vehicle moving or stopping on the bridge, has the potential to fast inspect bridges in large quantities. Although there have been extensive studies on this topic, most of them are built on theoretic analysis or numerical simulation, which could differ from the situations in real practice. As a complement, this study carries out an experimental investigation of the indirect approach for bridge frequency identification. In the experiments, a normal passenger car instrumented with accelerometers moves and stops on a real bridge for indirect sensing, and a stationary accelerometer is directly deployed on the bridge as a control. Experimental results provide some new insights into the indirect bridge frequency identification from the practical aspect.

Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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