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（東南大學(xué)混凝土及預(yù)應(yīng)力混凝土結(jié)構(gòu)教育部重點(diǎn)實(shí)驗(yàn)室 南京 210096）
【提要】 對(duì)點(diǎn)支式玻璃幕墻兩端固支支撐結(jié)構(gòu)和不落地支撐結(jié)構(gòu)的風(fēng)振系數(shù)取值問(wèn)題進(jìn)行了研究。在兩端簡(jiǎn)支模型風(fēng)振系數(shù)計(jì)算表格的基礎(chǔ)上，加以支承方式修正和底部高度修正，由此得到適用范圍更為廣泛的幕墻支撐結(jié)構(gòu)風(fēng)振系數(shù)計(jì)算公式。數(shù)值仿真算例驗(yàn)證了該方法的有效性。
【關(guān)鍵詞】 點(diǎn)支式幕墻 風(fēng)振系數(shù) 支承方式修正系數(shù) 底部高度修正系數(shù)
Revises for Differentlysupported and Overgroundbase of Gust Response Factors of Pointsupporting Curtain Wall/Chen Bin,Lü Lingyi(Key Laboratory for RC & PC Struc. of Ministry of Education,Southeast Univ.,Nanjing 210096,China)
Abstract:The calculation of the gust response factor of the pointsupporting curtain wall's supporting structures which are fixedsupported and  not on the ground,is analyzed. Based on the computing tables of former studies,differentlysupported revise and overgroundbase revise are developed for wider application. Numerical examples show the veracity of this method.
Keywords:pointsupporting curtain wall; gust response factor; differentlysupported rev
ising coefficient; overgroundbase revising coefficient
*國(guó)家自然科學(xué)基金資助項(xiàng)目（50478074）；教育部?jī)?yōu)秀青年教師基金資助項(xiàng)目。