Seismic Design of Braced Steel Frames

by Subhash C. Goel, Univ of Michigan, Ann Arbor, MI, USA,
Xiaodong Tang, Univ of Michigan, Ann Arbor, MI, USA,

Document Type: Proceeding Paper

Part of: Stability Under Seismic Loading


Seismic behavior of a six-story, K-braced structure without backup ductile moment-resisting frames designed according to the current Uniform Building Code is studied in this paper. The associated problems of column buckling and fracture of bracing members during a severe earthquake motion are discussed. A practical and rational method for safe design of such structures is presented.

Subject Headings: Structural behavior | Steel structures | Structural safety | Steel frames | Steel columns | Building codes | Seismic design | Mid-rise buildings

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