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On the use of duplex stainless steels in bridge construction
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
2008 (English)In: Bridge Maintenance, Safety Management, Health Monitoring and Informatics: Proceedings of the Fourth International Conference on Bridge Maintenance, Safety and Management, July 13-17 2008, Seoul, Korea - IABMAS '08 / [ed] Hyun-Moo Koh; Dan G Frangopol, Boca Raton, Fla: Taylor and Francis Group , 2008Conference paper (Refereed)
Abstract [en]

Maintenance and the related costs in the life time of existing structures are an ever growing problem and bridges are no exception to this rule. Much of the maintenance costs are related to corrosion of steel members. Especially when steel and composite bridges are built in aggressive environments (e.g. close to seawater or in industrial atmospheres) these costs become of major importance. However also concrete bridges are concerned as the re-bars in concrete decks may be subjected to corrosion caused by chloride ingress from de-icing salt or seawater. Consequently the use of a material providing high mechanical properties with a sufficient corrosion resistance for the application in these aggressive environments would lead to economic and durable construction. Further the maintenance costs become predictable, which would increase the quality of the bridge management. Duplex stainless steel is this material with sufficient yield strength, stiffness and toughness as well as an excellent durability in aggressive environments. With a targeted material choice, innovative construction solution may be achieved. However, high material costs, gaps in common knowledge, e.g. on fatigue, as well as fabrication aspects are preventing a wider application of these steels in bridge construction.

Place, publisher, year, edition, pages
Boca Raton, Fla: Taylor and Francis Group , 2008.
Research subject
Structural Engineering
URN: urn:nbn:se:ltu:diva-35395Local ID: 9eb08180-e233-11dd-981b-000ea68e967bISBN: 978-0-415-46844-2OAI: diva2:1008648
International Conference on Bridge Maintenance, Safety and Management : 13/07/2008 - 17/07/2008
Godkänd; 2008; 20090114 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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