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http://dx.doi.org/10.5762/KAIS.2018.19.7.305

The suggestion of Steel Plate-Concrete Composite Beam Shape with Bolts  

Cho, Tae-Gu (Department of Architectural Engineering, Kyonggi University Graduate School)
Choi, Byong-Jeong (Department of Architectural Engineering, Kyonggi University Graduate School)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.19, no.7, 2018 , pp. 305-314 More about this Journal
Abstract
The steel-plate concrete composite beam is composed of a steel plate, concrete and a shear connector to combine the two inhomogeneous materials. In general, the steel plate is assembled by welding an existing composite beam. In this study, a new steel-plate concrete composite (SPCC) beam was developed to reduce the size of the shear connector and improve its workability. The SPCC beam was composed of folded steel plates and concrete, without any shear connector. The folded steel plate was assembled with high strength bolts instead of welding. To improve the workability in field construction, a hat-shaped cap was attached in the junction with the slab. Monotonic two-point load testing was conducted under displacement control mode. The flexural strength of the SPCC beam specimen was calculated to be 76% of that of the complete composite beam by using the plastic stress distribution method and strain compatibility method. The cap acted as the stud and accessory. The synthesis rate could be increased by controlling the gap of the cap, and the bending performance could be evaluated by using the strain fitting method considering the synthesis rate of the SPCC beam.
Keywords
Steel Plate-Concrete Composite Beam; Shear Connector; Plastic Stress Distribution Method; Strain Compatibility Method; Flexural Strength; Moment-Curvature Relationship;
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