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（同濟(jì)大學(xué)建筑設(shè)計(jì)研究院 上海 200092）
［提要］為了能準(zhǔn)確地了解東莞大劇院結(jié)構(gòu)設(shè)計(jì)中鋼筋混凝土主體結(jié)構(gòu)與扇形大跨鋼結(jié)構(gòu)體系之間的相互影響程度，利用ETABS軟件分別建立了4個(gè)計(jì)算模型用等效荷載和等效進(jìn)行分析研究。研究表明鋼屋蓋對(duì)主體結(jié)構(gòu)的影響可按等代剛度的方法計(jì)算。在靜力計(jì)算時(shí)屋蓋可單獨(dú)建模，動(dòng)力分析時(shí)須考慮與主體結(jié)構(gòu)的相互影響。
結(jié)論對(duì)工程設(shè)計(jì)具有一定的指導(dǎo)意義。
［關(guān)鍵詞］結(jié)構(gòu)分析 復(fù)雜結(jié)構(gòu) 相互影響
Analysis and Research of Steel concrete Hybrid  Structure of Dongguan Theater/Lu Xiuli,Zhang Tao,Ding Jiemin(The Architecture Design and Research Institute of Tongji University,Shanghai 200092,China)
Abstract:In order to study the influence between the RC mainbody structure and the steel roof structure in the structure design of Dongguan theater,  four ETABS models are built.
The analysis results indicates that the effect of roof can use quivalent louds and stiffness method for main body structure analysis.The dynamic behaviour of the roof structure is necessary to consider action of the main body.The conclusions  can direct the design of project.
Keywords:structure analysis; complex structure; mutual affection