A review of bridge scour monitoring techniques

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Title: A review of bridge scour monitoring techniques
Authors: Prendergast, Luke J.
Gavin, Kenneth
Permanent link: http://hdl.handle.net/10197/6521
Date: Apr-2014
Abstract: The high profile failure of the Malahide Viaduct, in Dublin, Ireland which is a part of the EU TEN-T network of critical transport links was caused by foundation scour. In a study of five hundred bridge failures that occurred in the United States between 1989 and 2000, flooding and scour were the cause of 53% of the recorded failures (Wardhana and Hadipriono 2003). Scour is a common soil-structure interaction problem. In light of current changes in climate, increased frequency of flooding, coupled with the increased magnitude of these flood events, will lead to a higher risk of bridge failure occurring. Monitoring scour is of paramount importance to ensure the continued safe operation of the aging bridge asset network. Most monitoring regimes are based on using expensive underwater instrumentation that can often be subject to damage during times of flooding, when scour risk is at its highest. This paper presents a critical review of existing scour monitoring equipment and methodologies with a particular focus on those that use the dynamic response of the structure to indicate the existence and severity of the scour phenomenon affecting the structure. A sensitivity study on a recently developed monitoring method is also undertaken.
Funding Details: European Commission - Seventh Framework Programme (FP7)
Higher Education Authority
Type of material: Journal Article
Publisher: Elsevier
Journal: Journal of Rock Mechanics and Geotechnical Engineering
Volume: 6
Issue: 2
Start page: 138
End page: 149
Copyright (published version): 2014 Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
Keywords: ScourDynamicsMonitoringInstrumentsBridge failure
DOI: 10.1016/j.jrmge.2014.01.007
Language: en
Status of Item: Peer reviewed
Appears in Collections:Civil Engineering Research Collection

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