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Seismic Performance Evaluation of Welded Beam-Column Connections abricated with SHN Steel Sections  

Kim, Tae Jin (성균관대학교 건축공학과)
Park, JongWon (홍익대학교 건축공학과)
Cho, Jeong Hyuk (성균관대학교 대학원 건설환경시스템공학과)
Kim, Hee Dong ((주)현대제철 기술영업팀)
Publication Information
Journal of Korean Society of Steel Construction / v.20, no.6, 2008 , pp. 829-838 More about this Journal
Abstract
In this study, cyclic tests of beam-column connections composed with members applicable to the domestic low-middle rise steel buildings were conducted to develop seismic connection details and its evaluation. Connection types and material properties of the steel were testing variables and the difference between the newly developed seismic rolled section (SHN490) and existing rolled section (SM490) was also investigated. Distributions of the yield strength and the ultimate strength of the SHN490 rolled section were relatively uniform comparing to those of the SM490 rolled section Brittle fracture in the weldments of the test specimens was not observed. Instead, fracture occurred at heat-affected zones or the stress-concentrated point near the weld access hole of the beam flanges. In the case of identical rolled-section specimens, the rotational capacity and dissipated energy of the WUF-W connection was larger than those of the WUF-B connection. In the case of identical connection types, the rotational capacity and dissipated energy of the SHN490 section connection was larger than those of the WUF-B section connection.
Keywords
beam-to-column connection; seismic performance; cyclic test; SHN rolled section; brittle fracture;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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