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Parameter Analysis on Double-side Welded Connection of Orthotropic Steel Decks Based on Structural Stress

 Parameter Analysis on Double-side Welded Connection of Orthotropic Steel Decks Based on Structural Stress
Autor(en): , , ,
Beitrag für IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022, veröffentlicht in , S. 1982-1990
DOI: 10.2749/nanjing.2022.1982
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Rib-to-deck welded connections of orthotropic steel decks(OSD’s) are prone to fatigue problems and the new type of double-side welded connection is applied for optimization. To further reveal trans...
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Bibliografische Angaben

Autor(en): (Department of Bridge Engineering, Tongji University, Shanghai 200092, China)
(Department of Bridge Engineering, Tongji University, Shanghai 200092, China)
(Tongji Architectural Design (Group) Co. Ltd, Shanghai 200092, China)
(Department of Structural Engineering, Tongji University, Shanghai 200092, China)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022
Veröffentlicht in:
Seite(n): 1982-1990 Anzahl der Seiten (im PDF): 9
Seite(n): 1982-1990
Anzahl der Seiten (im PDF): 9
DOI: 10.2749/nanjing.2022.1982
Abstrakt:

Rib-to-deck welded connections of orthotropic steel decks(OSD’s) are prone to fatigue problems and the new type of double-side welded connection is applied for optimization. To further reveal transformation mechanism of fatigue mode, the geometrical parameters of double-side welded connection are analysed based on structural stress method. The results show that, compared with other parameters, the thickness of deck brings the greatest impact on the structural stress at the concerned position, but does not change the fatigue failure mode. The fatigue mode of double-side welded connection is related to both internal and external weld size, and the external weld size should be controlled within a certain range relatively. For the basic structure analyzed, when the external weld size is 4mm, 6mm, 8mm and 10mm, the internal weld size shall not be less than 1.5mm, 1.5mm, 3mm and 4.5mm respectively.

Stichwörter:
Parameteranalyse
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