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（中國建筑標(biāo)準(zhǔn)設(shè)計研究院， 北京 100048）
［摘要］對中國、美國和日本三國鋼框架結(jié)構(gòu)抗震設(shè)計相關(guān)規(guī)定進(jìn)行了比較，比較了三個國家設(shè)計地震力取值水平、結(jié)構(gòu)抗震等級劃分、樓層層間位移角限值、鋼柱和鋼梁的板件寬厚比限值、鋼梁水平側(cè)向支撐設(shè)置要求等內(nèi)容。通過以上比較，闡明了三個國家對于鋼框架結(jié)構(gòu)抗震設(shè)防思路的相同和不同之處、抗震設(shè)防的大致安全度水平。
［關(guān)鍵詞］鋼框架結(jié)構(gòu)； 地震反應(yīng)譜曲線； 結(jié)構(gòu)抗震等級； 層間位移角限值； 鋼梁側(cè)向支撐
中圖分類號：TU318-1， TU393-2文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2016)19-0001-07
Comparison of seismic design provisions for steel frames in China, U.S. and Japan（Ⅰ）： general design rules
Yu Yinquan, Dong Qingyuan, Wang Zhe
(China Institute of Building Standard Design & Research, Beijing 100048, China)
Abstract:The seismic design provisions for steel frames in China, U.S. and Japan were compared in terms of design seismic force level, structural seismic grade division, story drift angle limitation, width-to-thickness ratio limitations for steel beams and columns and arrangement requirement for horizontal lateral bracing of steel beams. Through comparison, it intends to clarify the similarities and differences of seismic fortification thoughts of steel frame structure in the three countries and the safety levels of seismic fortification for China, U.S. and Japan.
Keywords:steel frame structure； earthquake response spectrum curve； structure seismic grade； inter-story drift angle limitation； lateral bracing of steel beam
作者簡介：郁銀泉，教授級高級工程師，一級注冊結(jié)構(gòu)工程師，Email: yuyq@cbs.com.cn。
