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(中國(guó)電力工程顧問集團(tuán)東北電力設(shè)計(jì)院，長(zhǎng)春130021)

［提要］介紹鋼結(jié)構(gòu)鉸接框架支撐體系中支撐和節(jié)點(diǎn)板的震害、實(shí)驗(yàn)室的抗震性能研究、有關(guān)規(guī)范的規(guī)定和具有延性性能的支撐和節(jié)點(diǎn)板的設(shè)計(jì)概念及方法。由于我國(guó)現(xiàn)行建筑抗震規(guī)范中尚不包括鋼結(jié)構(gòu)鉸接框架支撐體系，故文中提出的抗震設(shè)計(jì)原則、規(guī)范規(guī)定和計(jì)算公式，可供從事鋼結(jié)構(gòu)設(shè)計(jì)和研究的技術(shù)人員參考。

［關(guān)鍵詞］鋼結(jié)構(gòu)建筑；支撐；節(jié)點(diǎn)板；抗震設(shè)計(jì)；延性

Seismic Design of Braces and Gusset Plates with Ductile Behavior/Sun Yusong (Northeast Electric Power Design Institute of China Power Engineering Consulting Group，Changchun 130021，China)Abstract:It is presented concisely the aftermath of earthquakes, seismic behavior in laboratories and relevant code provisions of bracings and gusset plates in the braced frame system, and conception and method for seismic design of gusset plates for ductile performance. Due to steel braced frame system is not covered in current Code for seismic design of buildings of China, principles, code provisions and formulas for seismic design can be referred for engineers in design and research.

Keywords:structural steel building; bracing; gusset plate; seismic design; ductile