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Historical load effects on fatigue of metallic railway bridges

Imam, Boulent and Salter, Paul A. (2017) Historical load effects on fatigue of metallic railway bridges Proceedings of the Institution of Civil Engineers - Bridge Engineering.

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Abstract

This paper presents load models for quantifying the effect of historical rail traffic on the remaining fatigue life of riveted bridges in the UK. Three types of load models, based on realistic trains, accounting for differences in rail traffic composition, are developed and subsequently used for investigating their effect on the accumulation of fatigue damage in typical old metallic bridge structures. The overall findings show that the increase within train axle loads from 1900 to 2010 is the main attributor to the significant increase in fatigue damage caused from the modern trains compared to the residual fatigue damage from the historic trains. These findings are particularly relevant to the majority of existing metallic rail bridges on the rail network, which are known to have a span length less than 10 m. These findings show the importance of considering the effects of historical loading for more reliable fatigue assessment purposes, leading towards more efficient planning of bridge maintenance and renewal programmes.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
NameEmailORCID
Imam, BoulentB.Imam@surrey.ac.ukUNSPECIFIED
Salter, Paul A.UNSPECIFIEDUNSPECIFIED
Date : 26 July 2017
Identification Number : 10.1680/jbren.15.00046
Copyright Disclaimer : Copyright © 2017 ICE Publishing, all rights reserved. This is the author's accepted manuscript version of an article published in 'Proceedings of the Institution of Civil Engineers - Bridge Engineering', which can be found at https://doi.org/10.1680/jbren.15.00046
Uncontrolled Keywords : Fatigue; Bridges; Service life
Depositing User : Clive Harris
Date Deposited : 29 Aug 2017 10:08
Last Modified : 29 Aug 2017 10:08
URI: http://epubs.surrey.ac.uk/id/eprint/842061

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