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Analytical Study on Tubular Flange Girder Bridges Using High Strength Steel

 Analytical Study on Tubular Flange Girder Bridges Using High Strength Steel
Auteur(s): , ORCID, , ORCID
Présenté pendant IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022, publié dans , pp. 703-709
DOI: 10.2749/nanjing.2022.0703
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Twin-I girder bridge systems are representative structures used in bridge industrialization construction. They have advantages including structure simplification, material save and accelerated cons...
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Détails bibliographiques

Auteur(s): (Tongji University, Shanghai, China)
ORCID (Tongji University, Shanghai, China)
(Tongji University, Shanghai, China)
ORCID (Universitat Politècnica de Catalunya BarcelonaTech, Barcelona, Spain)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022
Publié dans:
Page(s): 703-709 Nombre total de pages (du PDF): 7
Page(s): 703-709
Nombre total de pages (du PDF): 7
DOI: 10.2749/nanjing.2022.0703
Abstrait:

Twin-I girder bridge systems are representative structures used in bridge industrialization construction. They have advantages including structure simplification, material save and accelerated construction, but the system using two main girders limits the span and makes the lateral effect more significantly. The general suitable spans range from 25m to 45m, which limits the use of twin-girder bridges. To increase the span limit, the use of tube as top flange and high strength steel can improve structure behavior and increase bridge spans. In the paper, parametrical study and structure optimization were conducted to investigate the behavior of tubular flange girder bridges using high strength steel. Parameters including cross-beam arrangement, stiffeners, tube size were studied. Comparisons between the systems using ordinary steel and that using high strength steel were conducted.

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