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Structural assessment of railway concrete bridges: non-linear analysis and remaining fatigue life
Chalmers University of Technology.
Chalmers University of Technology.
Chalmers University of Technology.
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: Bridge Maintenance, Safety, Management, Life-Cycle Performance and Cost: Proceedings of the third International Conference on Bridge Maintenance, Safety and Management. IABMAS'06 / [ed] Paulo J. da Sousa Cruz; Dan M Frangopol; Luis C Canhoto Neves, London: Taylor and Francis Group , 2006, 271- p.Conference paper (Refereed)
Abstract [en]

For a sustainable development in Europe, there is a need to at least double the railway transports in the coming 20 years. In order to reach this, the residual service lives of existing concrete bridges need to be extended at the same time as they are subjected to higher axle loads, higher railway speeds and heavier traffic intensity. Today, many concrete bridges are replaced or strengthened because their reliability cannot be guaranteed based on the structural assessments made. The aim of the work presented here is to provide enhanced assessment methods that are able to prove higher load carrying capacities and longer fatigue lives for existing concrete railway bridges. One main objective is to facilitate the use of non-linear analysis for structural assessment. In addition to higher load carrying capacities, the methods give improved understanding of the structural response, forming a better basis for decisions in the assessment. Another main objective is to improve knowledge about the fatigue behaviour of concrete bridges and to develop realistic methods for the evaluation of remaining fatigue life of existing bridges. The emphasis here is on short-span bridges and secondary elements. The work presented is a part of the ongoing EU-project Sustainable Bridges. The results will be implemented in the Guideline for Load and Resistance Assessment of existing European Railway Bridges that is being developed

Place, publisher, year, edition, pages
London: Taylor and Francis Group , 2006. 271- p.
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-40589Local ID: fc423980-7181-11db-962b-000ea68e967bISBN: 0-415-40315-4OAI: oai:DiVA.org:ltu-40589DiVA: diva2:1014111
Conference
International Conference on Bridge Maintenance, Safety and Management : 16/07/2006 - 19/07/2006
Note
Godkänd; 2006; Bibliografisk uppgift: Abstract pp 741-743. Full paper P-271, 8 p, on attached CD; 20061111 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2016-12-07Bibliographically approved

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