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Extending the assessment dynamic ratio to railway bridges
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.
2014 (English)Conference paper (Refereed)Text
Abstract [en]

This paper presents an alternative site-specific dynamic allowance factor for railway bridges. It is calculated numerically using a model that allows for train-bridge interaction and takes into account the track irregularities. A wide range of short to medium span bridges are studied while allowing for uncertainties associated with the traffic configuration and vehicle properties within a Monte Carlo analysis. The results clearly show that a smaller recommended allowance for dynamics can be safely defined, which in turn can prevent unnecessary repair or replacement of existing bridges.

Place, publisher, year, edition, pages
Civil-comp Press , 2014. Vol. 104
Keyword [en]
Assessment, Bridge, Dynamic, Dynamic assessment ratio, Dynamic interaction, Monte Carlo, Rail, Railway, Train, Vehicle, Bridges, Dynamic response, Dynamics, Monte Carlo methods, Railroads, Rails, Transportation, Uncertainty analysis, Vehicles, Dynamic assessment, Railroad bridges
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-187573ScopusID: 2-s2.0-84963718184OAI: oai:DiVA.org:kth-187573DiVA: diva2:936855
Note

QC 20160614

Available from: 2016-06-14 Created: 2016-05-25 Last updated: 2016-06-14Bibliographically approved

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Karoumi, Raid
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