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Nonlinear Finite Element Analysis for Eccentrically Braced Steel Frame

Xinwu Wang

Abstract

Eccentrically braced frame is one of new resistant-lateral systems in recent years and it has well resistant-seismic behavior. In order to study the its resistant seismic behavior and characteristic of link, nonlinear finite element analysis for eccentrically braced frame was performed in this paper. Analysis indicated that link of this frame yielded in the last loading and occurred cut mode failure and insure that the other components did not failed. So enhance the absorbs seismic energy and distortion capability, improved the resistant seismic behavior of frames.

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Key concepts: Braced frame, Structural engineering, Finite element method, Frame (networking), Distortion (music), Nonlinear system, Engineering, Seismic analysis