Inelastic Cyclic Behavior of Tubular Braced Frames

by Egor P. Popov, (F.ASCE), Prof. of Civ. Engrg.; Univ. of California, Berkeley, Calif.,
Victor A. Zayas, Grad. Student in Civ. Engrg.; Univ. of California, Berkeley, Calif,
Stephen A. Mahin, (A.M.ASCE), Asst. Prof. of Civ. Engrg.; Univ. of CAlifornia, Berkely, Calif,

Serial Information: Journal of the Structural Division, 1980, Vol. 106, Issue 12, Pg. 2375-2390

Document Type: Journal Paper


The behavior of one-sixth scale tubular steel frame specimens employing x-bracing for resisting cyclic loads is studied experimentally. The imposed cyclic displacement applied in a quasi-static manner simulate the effects of intense ground motoins due to an earthquake. An offshore tower designed for wave and earthquake conditions appropriate for southern California served as the prototype for the test frames. The paper reports the hysteretic behavior of the frames and braces under simulated seismic conditions.

Subject Headings: Inelasticity | Structural behavior | Cyclic strength | Bracing | Frames | Steel frames | Earthquakes | Cyclic loads | California | United States

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