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Vehicle-bridge interaction: Influence of the train type on the dynamic response of bridges due to a train crossing

Vehicle-bridge interaction: Influence of the train type on the dynamic response of bridges due to a train crossing
Autor(en): , , , , ORCID
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Beitrag für IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022, veröffentlicht in , S. 1444-1451
DOI: 10.2749/prague.2022.1444
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This paper investigates the differences between the maximum vertical bridge acceleration during a train crossing when calculated with moving loads and with vehicle-bridge interaction considering a ...
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Bibliografische Angaben

Autor(en): (Technical University of Darmstadt, Darmstadt, Germany )
(Technical University of Darmstadt, Darmstadt, Germany )
(Technical University of Darmstadt, Darmstadt, Germany )
(iSEA Tec, Friedrichshafen, Germany)
ORCID (KU Leuven, Leuven, Belgium)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022
Veröffentlicht in:
Seite(n): 1444-1451 Anzahl der Seiten (im PDF): 8
Seite(n): 1444-1451
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/prague.2022.1444
Abstrakt:

This paper investigates the differences between the maximum vertical bridge acceleration during a train crossing when calculated with moving loads and with vehicle-bridge interaction considering a 2D multi-body model. This influence of the interaction is currently defined for the bridge design by an additional damping value, included in Eurocode 1. For investigating the additional damping, multi-body model parameters of 14 real high-speed passenger trains were collected and evaluated statistically as presented in boxplots. This collection builds the basis for the presented results as well as a planned parameter study. The interaction effect is visualized by exemplary resonance plots, showing the overestimation of the additional damping in the current approach for some trains and even a negative additional damping value in case of the ICE 4. Also, it was discovered that there is no correlation of the dynamic bridge response to whether it is a conventional or articulated train.
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Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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