Stability of Beams in Eccentrically Braced Frames

by M. D. Engelhardt, Univ of Texas at Austin, Austin, United States,
K. C. Tsai, Univ of Texas at Austin, Austin, United States,
E. P. Popov, Univ of Texas at Austin, Austin, United States,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract:

As the link yields and strain hardens in an eccentrically braced frame, the beam segment-outside of the link is subject to a combination of high axial force and bending moment. For certain EBF configurations, cyclic instability of the beam may occur before the link's strength and ductility are fully developed, leading to a deterioration in overall EBF hysteretic response.

Subject Headings: Beams | Frames | Bracing | Steel frames | Axial forces | Structural strength | Structural stability

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