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Composite Beam Element for Nonlinear Seismic Analysis of Steel Frames  

Kim, Kee Dong (공주대학교 토목환경공학과)
Ko, Man Gi (공주대학교 토목환경공학과)
Yi, Gyu Sei (선문대학교 토목환경공학과)
Hwang, Byoung Kuk (공주대학교 토목환경공학과)
Publication Information
Journal of Korean Society of Steel Construction / v.14, no.5, 2002 , pp. 577-591 More about this Journal
Abstract
This study presented a composite beam element for modeling the inelastic behavior of the steel beam, which has composite slabs in steel moment frames that are subjected to earthquake ground motions. The effects of composite slabs on the seismic behavior of steel moment frames were investigated. The element can be considered as a single-component series hinge type model whose predicted analytical results were consistent with the experimental results. Likewise, the element showed a significantly better performance than the bare steel beam elements. The composite model can also predict more accurately the local deformation demands and overall response of structural systems under earthquake loading compared with the bare steel models. Therefore, composite stabs can significantly affect locally and globally predicted responses of steel moment frames.
Keywords
composite beam element; composite slab; earthquake ground motion; steel moment frame;
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