STEEL CONSTRUCTION ENGINEERING
Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
ANALYTICAL STUDY ON PATCH PLATE REPAIR EFFECTS FOR STEEL I-GIRDER BRIDGES WITH CORROSION DAMAGES CONSIDERING ITS BRIDGE SYSTEM BEHAVIOR
Ryoga OURAKentaro ARIMURATakashi YAMAGUCHI
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2022 Volume 29 Issue 114 Pages 114_11-114_22

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Abstract

Bridges are composed by many structural members which interact with each other to resist against various load combinations. In the present study, a full-scale FE analysis has been conducted for a steel I-girder bridge system with corrosion damages which have been repaired. The analysis considered, the bridge system behavior, varying the repaired areas and the shape of patch members. From the analytical results, it was found that, reinforcing the adjacent healthy girder in addition to the corroded girder was effective. Furthermore, when reinforcing the adjacent healthy girder in addition to the corroded girder, it is desirable to determine the shape of the plate based on the cross-sectional area ratio of the corroded girder and the adjacent healthy girder.

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© 2022 Japanese Society of Steel Construction
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