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Dynamic effect of trains with articulated coaches and Jacobs bogies with integer wheelbase ratios
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.ORCID iD: 0000-0002-8926-2140
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges. KTH, School of Engineering Sciences (SCI), Centres, The KTH Railway Group.ORCID iD: 0000-0002-5447-2068
2020 (English)In: Proceedings of the International Conference on Structural Dynamic , EURODYN, European Association for Structural Dynamics , 2020, p. 2646-2657Conference paper, Published paper (Refereed)
Abstract [en]

This paper deals with the dynamic response of railway bridges traversed by articulated trains, specifically the interaction effect between the coach length D and bogie distance dBA. Current design code EN 1991-2 stipulate that the ratio D/dBA should not be close to an integer value, but no further guidance is given. By using train signatures and a so-called bogie factor, the combined effect is illustrated in a non-dimensional domain. The results are also presented by realistic examples which show that integer ratios of D/dBA are not necessarily worse than non-integer ratios. This is further confirmed by a parametric study of simply supported beams and ranges of train parameters according to EN 1991-2 Annex E. 

Place, publisher, year, edition, pages
European Association for Structural Dynamics , 2020. p. 2646-2657
Keywords [en]
Bogie wheelbase, High-speed train, Railway bridge, Train spectrum, Structural dynamics, Combined effect, Design codes, Dynamic effects, Integer values, Interaction effect, Parametric study, Railway bridges, Simply supported beams, Bogies (railroad rolling stock)
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-293339Scopus ID: 2-s2.0-85098685023OAI: oai:DiVA.org:kth-293339DiVA, id: diva2:1551202
Conference
11th International Conference on Structural Dynamics, EURODYN 2020, 23 November 2020 through 26 November 2020
Note

QC 20210505

Available from: 2021-05-05 Created: 2021-05-05 Last updated: 2023-04-05Bibliographically approved

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Andersson, AndreasKaroumi, Raid

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf