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Application of acoustic emission for masonry arch bridges

Melbourne, C and Tomor, AK 2006, 'Application of acoustic emission for masonry arch bridges' , Strain, 42 (3) , pp. 165-172.

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Abstract

There are over 40 000 masonry arch bridges in the UK, 60% of which are over 100 years old. The ever increasing levels of loading and volumes of traffic make it imperative that the condition, life expectancy and load capacity of such bridges are accurately assessed. Assessment procedures, however, generally rely on visual methods without giving any information on the internal condition of the structure. The acoustic emission (AE) technique has the ability to record certain types of damages anywhere within the structure before their effect becomes visible on the surface. Although AE is increasingly widely used for monitoring concrete and metallic bridges, its application for masonry bridges is currently very limited. A series of multi-ring brickwork arches have been tested as part of an extended study on fatigue performance of masonry arch bridges at the University of Salford. The present study attempts to assess the applicability of the AE technique for masonry arch bridges under static and long-term cyclic loading, to study crack propagation and failure mechanisms.

Item Type: Article
Themes: Subjects / Themes > T Technology > TF Railroad engineering and operation
Subjects / Themes > T Technology > TG Bridge engineering
Subjects / Themes > Q Science > QC Physics > QC221-246 Acoustics - Sound
Built and Human Environment
Subjects outside of the University Themes
Schools: Colleges and Schools > College of Science & Technology > School of the Built Environment
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Civil Engineering Research Centre
Journal or Publication Title: Strain
Publisher: Blackwell Publishing
Refereed: Yes
ISSN: 1475-1305
Depositing User: H Kenna
Date Deposited: 05 Oct 2007 13:03
Last Modified: 20 Aug 2013 16:49
URI: http://usir.salford.ac.uk/id/eprint/657

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