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http://dx.doi.org/10.7781/kjoss.2016.28.5.345

Cyclic Loading Tests of Concrete-Filled Composite Beam-Column Connections with Hybrid Moment Connections  

Lim, Jong Jin (Dept. of Architectural Engineering, Dankook University)
Kim, Dong Gwan (Institute of Technology, Sen Structural Engineering Co. Ltd)
Lee, Sang Hyun (Dept. of Architectural Engineering, Dankook University)
Lee, Chang Nam (Sen Structural Engineering Co. Ltd)
Eom, Tae Sung (Dept. of Architectural Engineering, Dankook University)
Publication Information
Journal of Korean Society of Steel Construction / v.28, no.5, 2016 , pp. 345-354 More about this Journal
Abstract
In the present study, hybrid moment connections of welding and bar reinforcement for composite beam-column connections were proposed. Concrete-filled octagonal tube and U-section were used for the column and beam, respectively. In the beam-column connection, the top flange and web of the beam U-section were connected to the column plate by welding. However, to reduce stress concentration at the weld joints, the bottom flange of the beam was not welded to the column plate. Instead, to transfer the tension force of the beam flange, reinforcing bars passing through the column plate were used. Four exterior connections with conventional welded and hybrid moment connections were tested under cyclic loading and their cyclic behaviors were investigated. The test results showed that the hybrid moment connections successfully transferred the beam moment to the column. The strength and ductility of the hybrid moment connections were comparable to the conventional welded moment connection with exterior diaphragm; however, the connection performance was significantly affected by the details of the hybrid moment connection.
Keywords
Beam-column connection; Beam-column joint; Concrete filled tube; Cyclic loading test; Composite moment frame;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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