A bridge monitoring tool based on bridge and vehicle accelerations

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Title: A bridge monitoring tool based on bridge and vehicle accelerations
Authors: Hester, David
González, Arturo
Permanent link: http://hdl.handle.net/10197/6291
Date: 1-Apr-2014
Online since: 2015-04-01T03:00:17Z
Abstract: Previous research on damage detection based on the response of a structure to a moving load has reported decay in accuracy with increasing load speed. Using a 3D vehicle–bridge interaction model, this paper shows that the area under the filtered acceleration response of the bridge increases with increasing damage, even at highway load speeds. Once a datum reading is established, the area under subsequent readings can be monitored and compared with the baseline reading, if an increase is observed it may indicate the presence of damage. The sensitivity of the proposed approach to road roughness and noise is tested in several damage scenarios. The possibility of identifying damage in the bridge by analysing the acceleration response of the vehicle traversing it is also investigated. While vehicle acceleration is shown to be more sensitive to road roughness and noise and therefore less reliable than direct bridge measurements, damage is successfully identified in favourable scenarios.
Funding Details: European Commission - Seventh Framework Programme (FP7)
Type of material: Journal Article
Publisher: Taylor and Francis
Journal: Structure and Infrastructure Engineering
Volume: 11
Issue: 5
Start page: 619
End page: 637
Copyright (published version): 2014 Taylor and Francis
Keywords: BridgesDamageStructural health monitoringDynamicsStructural modellingIntelligent infrastructure
DOI: 10.1080/15732479.2014.890631
Language: en
Status of Item: Peer reviewed
Appears in Collections:Civil Engineering Research Collection

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