S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Architecture and Architectural Engineering (건축학과) Journal Papers (저널논문_건축학과)
Review of force transfer mechanism of welded steel moment connections
- Lee, Choel-Ho
- Issue Date
- Journal of Constructional Steel Research 2006;62(7):695-705
- Employing the classical beam theory for the design of welded steel moment connections has been brought into question since the 1994 Northridge earthquake. In this study, the force transfer mechanism in various welded steel moment connections is comprehensively reviewed based mainly on the author’s recent studies. Available analytical and experimental results showed that the beam theory does not give accurate predictions of the stress path in almost all the welded steel moment connections because of the effects of the boundary conditions. Vertical plates
near the connection, such as the beam web, the web of the straight haunch, and the rib, act as a strut to some extent. The force transfer mechanism in the reduced beam section (RBS) connection is essentially the same as that in the pre-Northridge type connections. Some simplified analytical
models that can be used as the basis of a practical design procedure are also briefly presented.
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