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http://dx.doi.org/10.7781/kjoss.2014.26.2.105

Shear Buckling Strength and Behaviors of Steel Plate Girder with Asymmetrical Shear Resistant Web Panel by Local Corrosion  

Lee, Myoung Jin (School of Civil and Environmental Engineering, Pusan National University)
Ahn, Jin Hee (Dept. of Civil Engineering, Gyeongnam Natinal University of Science and Technology)
Kim, In Tae (School of Civil and Environmental Engineering, Pusan National University)
Publication Information
Journal of Korean Society of Steel Construction / v.26, no.2, 2014 , pp. 105-118 More about this Journal
Abstract
The number of the deteriorated bridge has been sharply increased due to the increase in the bridge service period in Korea. Local corrosion problem of structural member can be occurred according to atmospheric corrosion environments based on the installation location of steel bridges. Especially, in case of the plate girder bridge, corrosion damage is concentrated on the web panel and stiffener at girder end. An asymmetrical shear resistant web section in the plate girder bridge can be caused from the local corrosion of the web panel, because local corrosion is not symmetrically occurred to the bridge. In this study, therefore, the shear buckling strength and behavior of a plate girder with asymmetrically corroded web panel was numerically evaluated using FE analysis, which was considering an aspect ratio and corrosion damage level of web panel. The shear buckling strength reduction of an asymmetrical shear resistant web panel was compared and evaluated according to corroded volume ratio for a web panel and for diagonal tension field of a web panel.
Keywords
Local corrosion; Asymmetrically shear resistant web panel; Shear buckling behavior; Shear buckling strength reduction; FE analysis;
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Times Cited By KSCI : 2  (Citation Analysis)
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