Cyclic Response Prediction for Braced Steel Frames

by Bruce F. Maison, Research Asst.; Univ. of California, Berkeley, Calif.,
Egor P. Popov, (F.ASCE), Prof. of Civ. Engrg.; Univ. of California, Berkeley, Calif.,

Serial Information: Journal of the Structural Division, 1980, Vol. 106, Issue 7, Pg. 1401-1416

Document Type: Journal Paper


An experimental and analytical investigation of the behavior of structural steel frames with K-braces subjected to severe cyclic loadings simulating seismic effects is described. The hysteretic behavior of a one-half scale three-story test frame is modeled analytically. Good agreement between the experimental and calculated results is shown to be possible provided the cyclic behavior of individual braces is accurately formulated. A development of a refined empirical brace model for this purpose is outlined.

Subject Headings: Steel frames | Structural behavior | Bracing | Seismic loads | Structural models | Steel structures | Structural analysis | Structural steel

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