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Test to failure of a steel truss bridge: Calibration of assessment methods
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och -produktion.ORCID-id: 0000-0002-5154-7044
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och -produktion.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och -produktion.ORCID-id: 0000-0002-1398-6118
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och -produktion.
Vise andre og tillknytning
2014 (svensk)Inngår i: 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, s. 1076-1081Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The steel truss railway bridge at Åby River was built in 1957 with a span of 32 m (105 feet). In 2012 it was replaced by a new steel beam bridge and the old bridge was placed beside the river. It was tested to failure to study its remaining load-carrying capacity in September 2013. The test was carried out by Luleå University of Technology by commission from Trafikverket as a part of the European Research Project MAINLINE (www.mainline-project.eu). In this paper some preliminary results are given. Two hydraulic jacks, anchored by cables to the bedrock, pulled the bridge downwards. The bridge remained elastic up to about three times the original design load and the load could then be almost doubled with substantial yielding deformations before a buckling failure appeared in the top girders for a load of ca. 11 MN (1000 short tons) for a midpoint deflection of ca. 0, 2 m (8 inches). No brittle or fatigue failure in any of the joints appeared and the bridge proved to behave in a ductile way with a substantial hidden capacity.

sted, utgiver, år, opplag, sider
London: CRC Press, Taylor & Francis Group , 2014. s. 1076-1081
Emneord [en]
Civil engineering and architecture - Building engineering
Emneord [sv]
Samhällsbyggnadsteknik och arkitektur - Byggnadsteknik
HSV kategori
Forskningsprogram
Konstruktionsteknik; Matematik; Attraktivt samhällsbyggande (FOI)
Identifikatorer
URN: urn:nbn:se:ltu:diva-38516Lokal ID: cf14b28e-b3d1-4c23-b3bc-c2418f271a03ISBN: 978-1-138-00103-9 (tryckt)ISBN: 978-1-315-76069-8 (digital)OAI: oai:DiVA.org:ltu-38516DiVA, id: diva2:1012017
Konferanse
International Conference of Bridge Maintenance, Safety and Management : 07/07/2014 - 11/07/2014
Prosjekter
Centrum för riskanalys och riskhantering, CRR, Sveriges Bygguniversitet, Mainline-MAINtenance, renewaL and Improvement of rail transport iNfrastructure to reduce Economic and environmental impacts
Merknad
Godkänd; 2014; 20140820 (jonnil)Tilgjengelig fra: 2016-10-03 Laget: 2016-10-03 Sist oppdatert: 2018-03-26bibliografisk kontrollert

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