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Structural performance and failure loading of a 55 year-old prestressed concrete bridge
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0001-8889-4237
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-0560-9355
Number of Authors: 2
2016 (English)In: Maintenance, Moniring, Safety, Risk and Resilience of Bridges and Bridge Networks / [ed] Tulio N. Bittencourt; Dan M. Frangopol; André T. Beck, London: CRC Press, Taylor & Francis Group, , 2016, 2225-2232 p.Conference paper, Published paper (Refereed)
Abstract [en]

Tests have been performed at service- and ultimate load levels of a 55 year-old 121.5 m long prestressed concrete bridge. The purpose was to acquire data for enhanced assessment and calibration of such methods. At service-load several truck overpasses and the dynamic response were particularly studied. Some conclusions were: (a) less stiff load-deflection behavior was obtained with a finite element (FE) analysis compared to measurements and (b) good agreement was obtained for predicted and tested dynamic characteristics. The focus in the destructive tests was on the overall bridge behavior and the ultimate load-carrying capacity of the bridge’s girders and slab. The results were: (a) combined flexure-shear failure of girders occurred after reinforcement yielding for a load indicating an appreciable safety margin in relation to code predictions and (b) good agreement was obtained between FE analysis and the ultimate response and capacity of the tested bridge

Place, publisher, year, edition, pages
London: CRC Press, Taylor & Francis Group, , 2016. 2225-2232 p.
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-37248ISI: 000405269000307Scopus ID: 2-s2.0-85001022266Local ID: b397e2cc-c3cb-4b5f-9ee7-925139876d2dISBN: 978-1-138-02851-7 (electronic)OAI: oai:DiVA.org:ltu-37248DiVA: diva2:1010746
Conference
International Conference on Bridge Maintenance, Safety and Management : 26/06/2016 - 30/06/2016
Note

Godkänd; 2016; 20160708 (nikbag)

Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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Bagge, NiklasElfgren, Lennart

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