Energy-Dissipation Mechanisms and Seismic Design Recommendation of Eccentrically Braced Steel Frames

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Eccentrically braced steel frames are a lateral load-resisting system which apply high intensity area and it can provide the high elastic stiffness that met higher steel building drift requirement. This paper first provides an introduction of Forces in links and Energy dissipation mechanisms of eccentrically braced steel frames. In that Eccentrically braced steel frames will collapse after the link beams go into plastic deformation under earthquake load, A new analytical model which include shell element apply to link beams with large deformation and plastic deformation and beams element apply to other parts of structure is presented in this paper for analyzing eccentrically braced steel frames energy-dissipation behavior and collapse mechanism. Computer program is complied. After this paper applies nonlinear finite element program to analyze the behaviors of eccentrically braced steel frames under cyclic load, the seismic design recommendations of eccentrically brace are presented.

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Periodical:

Edited by:

Dongye Sun, Wen-Pei Sung and Ran Chen

Pages:

3662-3665

DOI:

10.4028/www.scientific.net/AMM.71-78.3662

Citation:

B. C. Zhao and Q. Gu, "Energy-Dissipation Mechanisms and Seismic Design Recommendation of Eccentrically Braced Steel Frames", Applied Mechanics and Materials, Vols. 71-78, pp. 3662-3665, 2011

Online since:

July 2011

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$35.00

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