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Probability Based Assessment of a Motorway Bridge in Denmark

 Probability Based Assessment of a Motorway Bridge in Denmark
Auteur(s): , ,
Présenté pendant IABSE Conference: Engineering the Past, to Meet the Needs of the Future, Copenhagen, Denmark, 25-27 June 2018, publié dans , pp. 162-170
DOI: 10.2749/copenhagen.2018.162
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The paper presents the practical application of the Danish Road Directorate guideline for probabilistic assessment of bridges to an actual bridge structure, which failed to demonstrate sufficient load...
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Détails bibliographiques

Auteur(s): (Dept. of Civil Engineering, Trinity College Dublin, Dublin, Ireland)
(Ramboll Denmark A/S, Hannemanns Allé 53, DK-2300, Copenhagen, Denmark)
(Ramboll Denmark A/S, Hannemanns Allé 53, DK-2300, Copenhagen, Denmark)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Engineering the Past, to Meet the Needs of the Future, Copenhagen, Denmark, 25-27 June 2018
Publié dans:
Page(s): 162-170 Nombre total de pages (du PDF): 9
Page(s): 162-170
Nombre total de pages (du PDF): 9
DOI: 10.2749/copenhagen.2018.162
Abstrait: The paper presents the practical application of the Danish Road Directorate guideline for probabilistic assessment of bridges to an actual bridge structure, which failed to demonstrate sufficient load carrying capacity following deterministic assessment. The bridge, a post-tensioned box girder structure, was built in 1965. In addition to presentation of the safety classification of the structure the results of importance and sensitivity studies are presented which indicate the controlling variables. Following the assessment, bridge specific partial safety factors are calibrated for the critical limit state at the β-point which are compared with the global partial factors prescribed for deterministic assessment. It is important to point out that at no stage does the guideline compromise the safety of the structures presented, rather it provides a mechanism for determining their structure-specific safety for comparison with that deemed legally acceptable.
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