Using an Instrumented Tractor-Trailer to Detect Damage in Bridges

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Title: Using an Instrumented Tractor-Trailer to Detect Damage in Bridges
Authors: O'Brien, Eugene J.Keenahan, Jennifer
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Date: 20-Mar-2013
Online since: 2019-04-30T11:32:40Z
Abstract: This paper investigates an alternative to Structural Health Monitoring (SHM) which involves no sensors on the bridge itself. It uses a vehicle fitted with accelerometers on its axles as a method of monitoring the dynamic behavior of the bridge, which in turn gives an indication of the bridge's structural condition. The concept, known as 'drive by' bridge inspection, may be of particular value after an extreme event, such as an earthquake or a flood, where a rapid indication of bridge condition is needed. In the paper, a two dimensional numerical model is described of a 3-axle truck towing a half-car trailer. The vehicle-bridge dynamic interaction is modeled to test the effectiveness of the approach in identifying the structural damping of the bridge. The damping of the bridge is used here as an indicator of damage. The accelerations in the two axles of the trailer are subtracted to remove the effect of the road profile. Results indicate that the algorithm works well and is not sensitive to transverse position of the vehicle on the bridge.
Funding Details: Science Foundation Ireland
Funding Details: US-Ireland Research Partnership Scheme
Type of material: Conference Publication
Publisher: Springer
Copyright (published version): 2013 The Society for Experimental Mechanics
Keywords: Bridge monitoringBridgesDamage detection models
DOI: 10.1007/978-1-4614-6519-5_10
Language: en
Status of Item: Not peer reviewed
Is part of: Cunha, A. (ed.). Topics in Dynamics of Bridges, Volume 3: Proceedings of the 31st IMAC, A Conference on Structural Dynamics, 2013
Conference Details: The 31st IMAC Conference on Structural Dynamics, California, United States of America, 11-14 February 2013
ISBN: 9781461465188
ISSN: 2191-5644
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Appears in Collections:Civil Engineering Research Collection

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