Flexibly Connected Thin-Walled Steel Frame Response

by George E. Blandford, Univ of Kentucky, Lexington, KY, USA,
Gordon C. Glass, Univ of Kentucky, Lexington, KY, USA,

Document Type: Proceeding Paper

Part of: Materials and Member Behavior


The static response of flexibly connected plane frames composed of thin-walled steel members is presented. Analysis capabilities include post-local-buckling strength and elastic semi-rigid connection behavior. Post-local-buckling behavior is included using the effective width concept. An exact stiffness matrix formulation is used to discretize the nonlinear equilibrium equations; solution of the resulting nonlinear algebraic equations is obtained using a modified Newton-Raphson iteration strategy. Numerical results are presented for a two story; two bay frame which demonstrates the influence of local buckling and/or flexible connections.

Subject Headings: Steel frames | Structural behavior | Steel structures | Connections (structural) | Rigid frames | Buckling | Structural analysis | Computer analysis

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