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Compression Behavior of Steel Plate-Concrete Structures with the Width-to-Thickness Ratio  

Han, Hong-Soo (경기대학교 건축공학과)
Choi, Byong-Jeong (경기대학교 건축공학과)
Han, Kweon-Gyu (경기대학교 건축공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.23, no.2, 2011 , pp. 229-236 More about this Journal
Abstract
This study was conducted to understand the characteristics of the compression behavior of steel plate-concrete(SC) structures with a width-to-thickness ratio under axial loading. SC structures are structural systems where concrete is poured into steel plates to which headed stud bolts had been attached inside. The specimens were classified according to the two width-to-thickness (W/T) ratios of 1.60 and 3.56. Through these experiments, the following conclusions could be arrived at. The fracture pattern of the specimens showed that steel plate buckling occurred between the stud lines, and that a crack occurred at the concrete spalling from the sides of the concrete before the system reached the maximum compressive strength. The maximum compressive strength of the specimens was larger than that of the existing equations (AISC 2005, ACI 318-05, and KBC 2005). With the increased W/T ratio of the specimens, the strength of the concrete core was decreased to account for the confinement effects from the steel plates.
Keywords
SC structures; W/T ratio; compressive strength; steel plate buckling;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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