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Fatigue strength of stud shear connector considering bedding layer thickness in precast deck composite bridges  

Ryu, Hyung Keun (서울대학교 지구환경시스템 공학부)
Shim, Chang Su (서울대학교 공학연구소)
Chung, Chul Hun (대우건설)
Chang, Sung Pil (서울대학교 지구환경시스템 공학부)
Publication Information
Journal of Korean Society of Steel Construction / v.14, no.1, 2002 , pp. 113-120 More about this Journal
Abstract
A shear connection in composite bridges with precast decks has considerable characteristics different from cast-in-place deck bridges such as shear pocket and bedding layer. Thus, it is necessary to build design basis of the shear connector in precast decks through the experiments. In order to estimate fatigue life of shear connector in precast deck bridges, push-out fatigue tests were conducted with parameter, bedding layer thickness. As a result of the tests, failure modes of shear connector were observed. Consequently, empirical S-N curve equations of stud shear connector in precast deck bridges were proposed in this paper.
Keywords
shear connection; bedding layer thickness; push-out fatigue test; fatigue life;
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