Experimental validation of a drive-by stiffness identification method for bridge monitoring

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Title: Experimental validation of a drive-by stiffness identification method for bridge monitoring
Authors: McGetrick, P.
Kim, Chul-Woo
González, Arturo
O'Brien, Eugene J.
Permanent link: http://hdl.handle.net/10197/7052
Date: 16-Jun-2015
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.
Funding Details: European Commission - Seventh Framework Programme (FP7)
Type of material: Journal Article
Publisher: Sage Publications
Copyright (published version): 2015 the Authors
Keywords: Acceleration;Bridge;Drive-by;Monitoring;Stiffness;Vehicle–bridge interaction
DOI: 10.1177/1475921715578314
Language: en
Status of Item: Peer reviewed
Appears in Collections:Civil Engineering Research Collection

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