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Remaining Capacity of Corroded Gusset Plate Connection

 Remaining Capacity of Corroded Gusset Plate Connection
Autor(en): , , , ,
Beitrag für IABSE Congress: The Evolving Metropolis, New York, NY, USA, 4-6 September 2019, veröffentlicht in , S. 1105-1110
DOI: 10.2749/newyork.2019.1105
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Nowadays, severe damage on the gusset plate connection of steel truss bridges due to corrosion has been widely reported all over the world. In this context, the remaining load-carrying capacity of ...
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Bibliografische Angaben

Autor(en): (Nagaoka University of Technology )
(Nagaoka University of Technology)
(Institute of Technologists)
(National Institute of Technology, Nagano College)
(Nippon Steel Chemical & Material)
(Nippon Expressway Research Institute)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: The Evolving Metropolis, New York, NY, USA, 4-6 September 2019
Veröffentlicht in:
Seite(n): 1105-1110 Anzahl der Seiten (im PDF): 6
Seite(n): 1105-1110
Anzahl der Seiten (im PDF): 6
DOI: 10.2749/newyork.2019.1105
Abstrakt:

Nowadays, severe damage on the gusset plate connection of steel truss bridges due to corrosion has been widely reported all over the world. In this context, the remaining load-carrying capacity of a corroded gusset plate connection was evaluated by using the loading test and Finite Element Method (FEM) analysis. Two potential forms of corrosion on the gusset plate, namely welding and cross-sectional corrosion, were proposed to investigate the reduction of load-carrying capacity. The overall FEM model dimension for the real bridge was scaled down by a percentage of 50%. The degrees of corrosion sections were assumed disconnected at about 50% of the weld length and the loss of the gusset plate thickness was 50% and 75%. Parametric FEM analysis was performed to evaluate the effect of the degree of corrosion on the remaining load-carrying capacity of the gusset plate connection.

Stichwörter:
Korrosion