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Real-time hybrid simulation of a bridge-damper system
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.ORCID iD: 0000-0002-1284-3641
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.ORCID iD: 0000-0002-5447-2068
(Dept. of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign.)
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2019 (English)In: Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications: Proceedings of the 7th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2019), September 2-4, 2019, Cape Town, South Africa / [ed] Alphose Zingoni, Cape Town, 2019, p. 1810-1813Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents the use of external dampers for vibration mitigation of railway bridges subjected to passing trains. A numerical model of the bridge combined with an experimental setup of a full-scale magnetorheological damper is used. The combined bridge-damper system is analyzed in real-time using a hybrid simulation technique. The approach is illustrated on a simply supported steel-concrete composite bridge. Due to the large eccentricity between the neutral axis and the roller support, the resulting displacement motivates the use of a near support damper. It is shown that sufficient vibration mitigation can be obtained with a single damper. A parametric study is performed to determine the optimal damper position and inclination.

Place, publisher, year, edition, pages
Cape Town, 2019. p. 1810-1813
National Category
Engineering and Technology
Research subject
Civil and Architectural Engineering, Structural Engineering and Bridges
Identifiers
URN: urn:nbn:se:kth:diva-263159ISBN: 978-1-138-38696-9 (print)OAI: oai:DiVA.org:kth-263159DiVA, id: diva2:1366909
Conference
SEMC 2019, September 2-4, 2019, Cape Town, South Africa
Note

QC 20191104

Available from: 2019-10-31 Created: 2019-10-31 Last updated: 2019-11-04Bibliographically approved

Open Access in DiVA

fulltext(497 kB)15 downloads
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Type fulltextMimetype application/pdf

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