Connection Panel Zone Deformation in Steel Frames

by Eric M. Lui, Syracuse Univ, Syracuse, NY, USA,
Wai-Fah Chen, Syracuse Univ, Syracuse, NY, USA,

Document Type: Proceeding Paper

Part of: Stability Under Seismic Loading


Conventional analyses of frameworks are usually carried out without considering the effect of panel zone deformation on frame behavior. As a result, center-to-center distances rather than clear spans are used for the lengths of the members. As evident from experimental studies, the effect of panel zone deformation has a pronounced influence on frame behavior. In particular, the strength and drift of the frame will be affected if panel zone deformation is taken into consideration in the analysis. In this paper, various deformation modes of the panel zone are identified. A simple finite element model is used to represent all these modes. The validity of this model is established by the comparison of theoretical predictions with experiments on joint subassemblages.

Subject Headings: Steel frames | Connections (structural) | Panels (structural) | Deformation (mechanics) | Finite element method | Frames | Structural strength | Drift (structural)

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