- 摘 要
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(1 上海魏璉工程結(jié)構(gòu)設(shè)計(jì)事務(wù)所深圳部,深圳 518034; 2 保利房地產(chǎn)股份有限公司,廣州 510000;3 廣州市建筑設(shè)計(jì)研究院, 廣州 510000)
[摘要]保利國(guó)際廣場(chǎng)是帶斜撐的超高框架剪力墻結(jié)構(gòu)體系,屬于不規(guī)則的結(jié)構(gòu)。采用靜力彈塑性分析法對(duì)結(jié)構(gòu)在地震作用下的受力特點(diǎn)進(jìn)行了全過程分析。計(jì)算結(jié)果表明,結(jié)構(gòu)在小震作用下,所有構(gòu)件未屈服,最大層間變形為1/1 250;結(jié)構(gòu)在大震作用下,有一部分桿件已經(jīng)屈服,最大層間變形為1/155,滿足規(guī)范規(guī)定的變形要求,但部分邊角部位的墻和柱出現(xiàn)拉力,應(yīng)采取必要的抗震措施予以加強(qiáng)。
[關(guān)鍵詞]靜力彈塑性分析;塑性鉸;能力譜曲線;性能控制點(diǎn);層間位移角
Static nonlinear analysis on Poly Pazhou complex frame-shear wall structure with diagonal steel brace under horizontal earthquake
Wang Zhiyuan1,Wang Sen1,Wei Lian1,Zhou Kang2,Zhou Ding3(1 Shanghai Weilian Structure Design Institute Shenzhen Office, Shenzhen 518034, China; 2 Poly Real Estate Co.,Ltd.,Guangzhou 510000, China; 3 Architectural Design Institute of Guangzhou, Guangzhou 510000, China)
Abstract:The Poly Pazhou complex is a high\|rise frameshear wall building with diagonal steel brace. It belongs to irregular building. A static nonlinear analysis is conducted on the building. As shown by results, under frequent earthquake, all members are in elastic stage and structural maximum story drift is 1/1 250 ; under rare earthquake, some members are yielded and the maximum story drift is 1/155 which can satisfy deformation demands of design code. The axial forces of some corner columns and walls are tensile under rare earthquake, so some seismic fortification measures should be taken to strengthen the structure in design.
Keywords:static nonlinear analysis; plastic hinge; capacity spectrum curve; performance point; story drift
作者簡(jiǎn)介:王志遠(yuǎn),博士,工程師。
參考文獻(xiàn)
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[2]魏璉,王森,王志遠(yuǎn),等.靜力彈塑性分析方法在不對(duì)稱結(jié)構(gòu)抗震設(shè)計(jì)中的應(yīng)用[J].建筑結(jié)構(gòu),2008(7)
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[5]ATC. Seismic Evaluation and Retrofit of Concrete Buildings[R]. Report No. ATC -40Applied Technology Council, Redwood City, California, 1996
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