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Analytical and Experimental Studies on Partially Composite of Steel-Plate Girder Bridges Using Slab Anchors  

Han, Sang Yun (고려대학교 사회환경시스템공학과)
Park, Nam Hoi (고려대학교 공학기술연구소)
Yoon, Ki Young (선문대학교 토목공학과)
Kang, Young Jong (고려대학교 사회환경시스템공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.16, no.3, 2004 , pp. 325-332 More about this Journal
Abstract
Cross sections of steel-plate girder bridges are divided into three cross sections of non-composite, partially composite, and fully composite sections, according to their composite characteristics. The Korean provision for the partially and fully composite sections specifies general usage of the stud of shear connectors, whereas the one for the non-composite section specifies empirical usage of slab anchors. However, the actual behavior of the cross sections of steel-plate girder bridges using slab anchors is close not to the non-composite action, but to the partially composite action. Therefore analytical and experimental studies on partial composites of steel-plate girder bridges using slab anchors are performed in this study. Intial stiffness of the slab anchor is obtained by the experimental study for the first time, and the composite characteristic of simple-span and two-span continuous steel-plate girder bridges is investigated by the finite element analyses for the second time. Based on the obtained initial stiffness, the reduction effect of tensile stresses in the concrete-slab on the intermediate support of the continuous bridge is also considered herein.
Keywords
Slab anchor; Non-composite; Partially composite; Fully composite; Shear connector;
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