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- 저자 : Hakkı Deniz Gül (검색결과 1 건)
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Examination of Gusset Plate Modeling via Nonlinear Dynamic Analysis
Hakkı Deniz Gül,Kıvanç Taşkın 한국강구조학회 2023 International Journal of Steel Structures Vol.23 No.2
The connection of the braces of special concentrically braced steel frames to the adjoining frames is usually modeled as a pin connection in practice. However, in the actual case, stiff gusset plates settle in brace-ends to provide the connection of brace elements to the structural system. In this study, gusset plates are modeled as the semi-rigid and pin connection to investigate the modeling effects on the structural responses on both member and global levels. The finite element model of a single brace element is calibrated according to previous experimental work to provide reliable analytical work. The two analytical steel frame models of a fictitious office building are created to perform the nonlinear response history analysis. Analysis results showed that the pin connection assumption for the brace-ends could not reflect the buckling behavior of the brace member with sufficient accuracy. Gusset plates should be designed as a structural element, and their mechanical properties should be implemented into the analytical model to accurately simulate the buckling and the post-buckling behavior of brace members.
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