On the fatigue and fracture of site splice welds at the River Mardle Viaduct

Clubley, S.K. and Winter, S.N. (2003) On the fatigue and fracture of site splice welds at the River Mardle Viaduct. Engineering Failure Analysis, 10, (5), 593-604. (doi:10.1016/S1350-6307(03)00022-0).


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The River Mardle Viaduct is a curved, twin box girder bridge, spanning a total length of 177 m. Four continuous
spans carry the A38 trunk road over the River Mardle and Old Totnes Road. The bridge forms an important part of
the heavy load network in and out of the tourist areas of Devon and Cornwall. In September 2001, an initial inspection
of the site splice welds joining the box girders detected a series of large imperfections. These weld defects were confirmed by a further independent inspection 6 months later and the results subsequently analysed using detailed fracture mechanics. The results of the fatigue analysis and the implications to the structural integrity of the bridge are discussed in this paper.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/S1350-6307(03)00022-0
ISSNs: 1350-6307 (print)
1350-6307 (electronic)
Keywords: bridge failures, weld defects, fatigue strength, box girder, site splice
Subjects: T Technology > TG Bridge engineering
Divisions : Faculty of Engineering and the Environment > Civil, Maritime and Environmental Engineering and Science > Infrastructure Research Group
ePrint ID: 340964
Accepted Date and Publication Date:
October 2003Published
5 April 2003Made publicly available
Date Deposited: 02 Aug 2012 13:54
Last Modified: 31 Mar 2016 14:31
URI: http://eprints.soton.ac.uk/id/eprint/340964

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