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http://dx.doi.org/10.4334/JKCI.2011.23.3.303

Fatigue Capacity Evaluation of Hinge Type Connection System for a Hybrid Truss Bridge  

Jung, Kwang-Hoe (R&D Group, Hyundai Engineering & Construction)
Yi, Jong-Won (R&D Group, Hyundai Engineering & Construction)
Lee, Sang-Hyu (R&D Group, Hyundai Engineering & Construction)
Kim, Jay Jang-Ho (School of Civil and Environmental Engineering, Yonsei University)
Publication Information
Journal of the Korea Concrete Institute / v.23, no.3, 2011 , pp. 303-310 More about this Journal
Abstract
To replace a steel box bridge for constructions of medium span bridges in Korea, the Hybrid Truss Bridge (HTB) is being considered as an alternative bridge type. The core technology of HTB is the connection joint that links the concrete slabs and steel truss pipes. Various construction companies in Japan have developed unique connection systems and applied to the real bridge constructions after verifying their performances through the experimental evaluation. In this study, the fatigue test of a hybrid truss girder has been performed in order to verify the newly proposed hinge type connection joint`s static and fatigue capacities. Through this fatigue test results, it is founded that the structural detail to improve the fatigue capacity should be developed. The hinge connection system with circular ribs has been proposed by means of structural finite element analyses. And then the fatigue test for this connection joint has been performed and it is proved that this connection joint has enough fatigue capacity. Finally, it is expected that the hinge connection system with circular ribs developed by in this study can be easily applied to the real bridge.
Keywords
hybrid truss bridge; fatigue capacity; hinge type connection joint; structural detail; circular rib;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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