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Extending the life of elderly rail bridges by strengthening
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-1398-6118
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-5154-7044
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0001-7799-5809
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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2014 (English)In: Bridge Maintenance, Safety, Management and Life Extension: proceedings of the Seventh International Conference of Bridge Maintenance, Safety and Management, 7-11 July 2014, Shanghai, China / [ed] Airong Chen; Dan M. Frangopol; Xin Ruan, London: CRC Press, Taylor & Francis Group , 2014, p. 1082-1088Conference paper, Published paper (Refereed)
Abstract [en]

There is a need to extend the life of many existing railway bridges. To facilitate this is one of the objects of the EC-FP7-Project MAINLINE, covering a period from 2011 to 2014. New or improved technologies are investigated to help with this. For bridges, the most promising techniques are enhanced inspection, assessment and strengthening methods. Case studies are presented where three different strengthening techniques have been applied to existing concrete trough bridges. First, sawn in Near Surface Mounted Reinforcement (NSMR) of Carbon Fibre Reinforce Polymers (CFRP) are used; followed by a bridge where carbon fibre cables were drilled through the bridge and finally a bridge was strengthened with post tensioned bars in drilled holes through the slab in the transverse direction. All three methods proved to be very successful.

Place, publisher, year, edition, pages
London: CRC Press, Taylor & Francis Group , 2014. p. 1082-1088
Keywords [en]
Civil engineering and architecture - Building engineering
Keywords [sv]
Samhällsbyggnadsteknik och arkitektur - Byggnadsteknik
National Category
Infrastructure Engineering
Research subject
Structural Engineering; Attractive built environment (AERI)
Identifiers
URN: urn:nbn:se:ltu:diva-27512Local ID: 0fe4bfe5-1a18-44f4-818b-4903b741535cISBN: 978-1-138-00103-9 (print)ISBN: 978-1-315-76069-8 (electronic)OAI: oai:DiVA.org:ltu-27512DiVA, id: diva2:1000696
Conference
International Conference of Bridge Maintenance, Safety and Management : 07/07/2014 - 11/07/2014
Projects
Mainline-MAINtenance, renewaL and Improvement of rail transport iNfrastructure to reduce Economic and environmental impacts, Centrum för riskanalys och riskhantering, CRR, Sveriges Bygguniversitet
Note
Godkänd; 2014; 20140820 (jonnil)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-03-26Bibliographically approved

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Nilimaa, JonnyBlanksvärd, ThomasTäljsten, BjörnElfgren, LennartCarolin, Anders

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