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Improvement of fatigue resistance through box-action for I-girder composite bridges
Ramböll, Luleå.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.
2016 (English)In: IABSE CONGRESS, STOCKHOLM, 2016: Challenges in Design and Construction of an Innovativeand Sustainable Built Environment / [ed] ennart Elfgren, Johan Jonsson, Mats Karlsson, Lahja Rydberg-Forssbeck and Britt Sigfrid, CH - 8093 Zürich, Switzerland, 2016, 1988-1994 p.Conference paper (Refereed)
Abstract [en]

When strengthening existing I-girder composite bridges one idea is to make the cross section act like a box section, by adding a horizontal truss between the bottom flanges. This means that eccentric loads produce a torque that is transferred by shear forces around the section. The magnitude of the effects coming from introducing such a framework between girders is addressed in this article. The fatigue resistance will be improved by the reduced stress ranges and increased amount of tolerated load cycles and extend the lifetime of the details, and by so the lifetime for the bridge.

Place, publisher, year, edition, pages
CH - 8093 Zürich, Switzerland, 2016. 1988-1994 p.
Series
IABSE Congress Reports
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-63561ScopusID: 2-s2.0-85018962854ISBN: 978-3-85748-144-4 (print)OAI: oai:DiVA.org:ltu-63561DiVA: diva2:1098951
Conference
9th IABSE Congress, Stockholm 2016, September 21-23
Available from: 2017-05-29 Created: 2017-05-29 Last updated: 2017-05-29Bibliographically approved

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