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袁廣林1 張宇峰2 舒贛平3 呂志濤3 左 江4 夏長春4 江 韓4(1 中國礦業(yè)大學(xué)建工學(xué)院 徐州221008; 2 江蘇省交通科學(xué)研究院 南京 210017; 3 東南大學(xué)土木工程學(xué)院 南京 210096; 4 南京市建筑設(shè)計研究院 210005)
[提要] 為進(jìn)一步研究巨型框架結(jié)構(gòu)的抗震性能,探討巨型框架結(jié)構(gòu)的抗震設(shè)計方法,以具體應(yīng)用工程為背景,制作了兩個縮比為1:6的巨型框架局部模型,進(jìn)行了低周反復(fù)加載試驗。結(jié)果表明,鋼筋混凝土巨型框架結(jié)構(gòu)具有良好的抗震性能,采用鋼骨混凝土能夠增加巨型框架結(jié)構(gòu)的延性,采用八字型偏心支撐節(jié)點能夠達(dá)到提高巨型框架結(jié)構(gòu)耗能能力和延性的目的。
[關(guān)鍵詞] 巨型框架結(jié)構(gòu) 局部模型 抗震性能 八字型節(jié)點 人字型節(jié)點In order to study the aseismic behavior and design method of mega-frame structures, two partial mega-frame models have been made. According to practical engineering, the scale of the model is l:6. Then a low-cycled reverse loading experiment for the mega-frame models was proceeded. The results verify that the reinforced concrete performs good behavior of aseismic ability and the steel reinforced concrete can enhance displacement ductility. The energy dissipation joint can enhance mega-frame's energy dissipation ability and displacement ductility.
Keywords: mega-frame; partial model; aseismic capability; joint