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Dynamic behaviour of the Vindel River railway bridge
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-0560-9355
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2006 (English)In: Condition Monitoring and Diagnostic Engineering Management: COMADEM 2006: proceedings / [ed] Uday Kumar; Aditya Parida; Raj B. K. N. Rao, Luleå: Luleå tekniska universitet, 2006, 721-729 p.Conference paper (Refereed)
Abstract [en]

The Swedish Railway administration has launched several projects aimed at increasing the accessibility of the railway lines in northern Sweden to meet future demands. One of these lines connects the southern and northern parts of Sweden and constitutes one of the major arteries for the transportation of heavy goods. Major investment are planned to upgrade the load bearing capacity of this railway line. The work is mainly focused on the larger structures and their dynamical properties. These properties can be used to assess existing infrastructure and to evaluate the performance. Advantages are obvious since the existing structural integrity form the base for investments in structural repair and upgrade of bridges. The Vindel River Railway Bridge situated 55 kilometers northwest of Umeå came into focus when large motion was discovered during train passages. The behaviour of the bridge crossing the river of Vindeln has been measured two times. Measurements of displacements and acceleration of the bridge during train passages has been conducted, the first measurements was done to give more experience on the motion of the bridge and to try out new sensors. The second measurement gave more information about the bridge's motion, results that could be used to calibrate a 3D FE-Model of the bridge used in the study. Based on the measurements, eigenfrequencies in the range of 0 to 8 Hz could be detected, modal shapes up to the ninth order could be extracted, deflections and transverse displacements for different sets of train and different train speeds were also found. However, new measurements are planned for this summer and will hopefully reinforce the already attained result and give answers to some of the unresolved questions.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2006. 721-729 p.
Research subject
Structural Engineering; Construction Engineering and Management
URN: urn:nbn:se:ltu:diva-34720Local ID: 8fff5230-9a99-11db-8975-000ea68e967bISBN: 978-91-631-8806-0 (print)OAI: diva2:1007971
International Congress on Condition Monitoring and Diagnostic Engineering Management : 12/06/2006 - 15/06/2006
Godkänd; 2006; 20061111 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2016-12-07Bibliographically approved

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