Code Designed Steel Frame Performance Characteristics

by Sigmund A. Freeman, Wiss, Janney, Elstner Associates, Inc, Emeryville, CA, USA,

Document Type: Proceeding Paper

Part of: Dynamics of Structures


Three similar steel ductile moment-resisting frame structures designed in accordance to the Uniform Building Code (1976-1985) are evaluated for their performance characteristics during severe earthquake motion. The framing systems allow comparison for variations in two alternate designs in the same seismic zone and two similar designs in different seismic zones. The capacity spectrum method, which approximates the inelastic behavioral characteristics of the building, is used in the analyses. The results of the study present the relative abilities of the structures to resist the effects of maximum postulated earthquake motion.

Subject Headings: Steel frames | Standards and codes | Materials characterization | Steel structures | Ground motion | Seismic effects | Earthquake resistant structures | Seismic design

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