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Dynamic response of corrugated steel culverts for railway lines
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. 1613-1624Conference paper, Published paper (Refereed)
Abstract [en]

Corrugated steel culverts are sometimes used as an alternative to portal frame bridges for small and medium crossings under railway lines. From a static point of view, the corrugated steel culverts are rather flexible structures and the load capacity relies on the confinement from the surrounding soil. From a dynamic point of view, especially for potential use on high-speed lines, the structural manner of action is not yet fully explored. This paper presents the result from full-scale experimental testing of a corrugated steel culvert, including both forced vibration tests and response from passing trains. The aim is to estimate the dynamic characteristics of the bridge, especially the interaction with the surrounding soil and how that will influence the response at the track level. From the forced vibration tests, the results show that the structure has a high inherent damping owing to the surrounding soil and that both the natural frequency and damping change with load amplitude. The experimental frequency response functions are used for updating numerical models to further understand the dynamic behaviour of these structures.

Place, publisher, year, edition, pages
European Association for Structural Dynamics , 2020. p. 1613-1624
Keywords [en]
Frequency response function, High-speed train, Railway bridge, Soil-structure interaction, Damping, Dynamic response, Flexible structures, Frequency response, Railroad transportation, Railroads, Soils, Structural dynamics, Vibration analysis, Corrugated steel, Dynamic behaviours, Dynamic characteristics, Experimental frequencies, Experimental testing, Forced vibration tests, High speed lines, Surrounding soils, Culverts
National Category
Infrastructure Engineering
Identifiers
URN: urn:nbn:se:kth:diva-302913Scopus ID: 2-s2.0-85099727222OAI: oai:DiVA.org:kth-302913DiVA, id: diva2:1599765
Conference
11th International Conference on Structural Dynamics, EURODYN 2020, 23 November 2020 through 26 November 2020
Note

QC 20211001

Available from: 2021-10-01 Created: 2021-10-01 Last updated: 2024-01-10Bibliographically 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
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Language
  • de-DE
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  • asciidoc
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