A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Refined fatigue assessment of an existing steel bridge
This paper treats the fatigue assessment of existing steel bridges for road traffic. It is focused on the estimation of the load effect. The deterministic assessment methods suggested in governing codes are reviewed and a comparison is performed against a reliability-based assessment. The latter method enables a consideration of reduced uncertainties from measurements of the real load effect. The Vårby Bridge in Sweden, a steel–concrete composite bridge south of Stockholm, is used as a case study. The results show a considerable increase in fatigue life with the use of measurements and a reliability-based assessment. Another conclusion is that the load models in the Eurocode give an unjustified conservative result. ; QC 20151016
Refined fatigue assessment of an existing steel bridge
This paper treats the fatigue assessment of existing steel bridges for road traffic. It is focused on the estimation of the load effect. The deterministic assessment methods suggested in governing codes are reviewed and a comparison is performed against a reliability-based assessment. The latter method enables a consideration of reduced uncertainties from measurements of the real load effect. The Vårby Bridge in Sweden, a steel–concrete composite bridge south of Stockholm, is used as a case study. The results show a considerable increase in fatigue life with the use of measurements and a reliability-based assessment. Another conclusion is that the load models in the Eurocode give an unjustified conservative result. ; QC 20151016
Refined fatigue assessment of an existing steel bridge
Leander, John (author) / Karoumi, Raid (author)
2015-01-01
Conference paper
Electronic Resource
English
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