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Experimental validation of a drive-by stiffness identification method for bridge monitoring
Date Issued
2015-06-16
Date Available
2015-09-17T11:02:40Z
Abstract
An experimental investigation is carried out to verify the feasibility of using an instrumented vehicle to detect and monitor bridge dynamic parameters. The low cost method consists of the use of a moving vehicle fitted with accelerometers on its axles. In the laboratory experiment, the vehicle-bridge interaction model consists of a scaled two-axle vehicle model crossing a simply supported steel beam. The bridge model also includes a scaled road surface profile. The effects of varying the vehicle model configuration and speed are investigated. A finite element beam model is calibrated using the experimental results and a novel algorithm for the identification of global bridge stiffness is validated. Using measured vehicle accelerations as input to the algorithm, the beam stiffness is identified with a reasonable degree of accuracy.
Sponsorship
European Commission - Seventh Framework Programme (FP7)
Other Sponsorship
Japanese Society for the Promotion of Science Postdoctoral Fellowship for North American and European Researchers
Japanese Society for the Promotion of Science Grant-in-Aid for Scientific Research
Type of Material
Journal Article
Publisher
Sage Publications
Journal
Structural Health Monitoring
Volume
14
Issue
4
Start Page
317
End Page
331
Copyright (Published Version)
2015 the Authors
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
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