Abstract

Abstract This paper provides an introduction and an overview of the design and behavior of seismic-resistant eccentrically braced frames (EBFs). Within the last ten years, EBFs have become a widely recognized lateral load-resisting system for steel buildings in areas of high seismicity. The primary purpose of this paper is to present design recommendations for links and connections in EBFs. Some basic concepts on the behavior of EBFs are reviewed, and highlights of significant experimental results are presented. The important effects of link length on both the elastic and inelastic response of EBFs under lateral load are emphasized. The paper focuses on EBFs constructed with shear links, as these provide for the maximum stiffness, strength, ductility and energy dissipation capacity of an EBF. Suggested details are provided for links and for selected connections in EBFs.

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