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Experimental Study for Performance Evaluation of Structural Details of Girder-Abutment Joint in Integral Abutment Steel Bridge  

Kim, Sang-Hyo (연세대학교 토목.환경공학과)
Yoon, Ji-Hyun (연세대학교 토목.환경공학과)
Choi, Woo-Jin ((주)삼안)
Kim, Jun-Hwan ((주)승화이엔씨 기술연구소)
Ahn, Jin-Hee (연세대학교 토목.환경공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.23, no.1, 2011 , pp. 61-72 More about this Journal
Abstract
In this study, the structural details of steel girder-abutment joints with shear connectors and tie bars were suggested to improve the rigid behavior and crack-resisting capacity of the joints in integral bridges. Experimental loading tests of steel girder-abutment joint specimens with the proposed and empirically constructed structural details were carried out, and the capacities and behavioral characteristics of the joints were evaluated through loading tests. Based on the results of the loading tests, it was estimated that all types of tested joints can be applied to the steel girder-abutment joints because they have sufficient stiffness and crack-resisting capacity under the required design and yield loads. According to the initial stiffness, crack propagations, and load-strain relationships, however, the joints with shear connectors and tie bars showed better structural behaviors compared to the empirically constructed joint.
Keywords
integral abutment steel bridge; girder-abutment joint; shear connector; loading test;
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Times Cited By KSCI : 2  (Citation Analysis)
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