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游 健, 李力軍, 陳劉鋼, 魯志雄
(深圳華森建筑與工程設(shè)計顧問有限公司廣州分公司,廣州510045)[摘要] 豎向不規(guī)則超高層建筑由于豎向剛度變化大、體型不均勻、出現(xiàn)突變等,在大震作用下結(jié)構(gòu)響應(yīng)明顯。通過某體型收進、立面開洞和底部帶轉(zhuǎn)換層的超限高層動力彈塑性計算分析,檢驗其結(jié)構(gòu)布置的合理性和結(jié)構(gòu)的抗震性能,反映其在大震作用下的受力特點和重點加強部位,以實現(xiàn)該結(jié)構(gòu)的抗震性能設(shè)計目標,滿足大震不倒的設(shè)計要求。
[關(guān)鍵詞] 豎向不規(guī)則;體型收進;轉(zhuǎn)換層;彈塑性分析
中圖分類號:TU375, TU973 文獻標識碼:A 文章編號:1002-848X(2012) S2-0101-06Elastic-plastic dynanuc analysis of the vertically irregular structure
You Jian, Li Lijun, Chen Liugang, Lu Zhixiong
( Huasen Architectural & Engineering Designing Consultant Ltd.( Guangzhou Branch), Guangzhou 510045, China)Abstract: Vertical irregularities are characterized by vertical discontinuities in the distribution of stiffness, irregular configuration and sudden changes, with significant seisnuc response. We reported a lugh-rise building with set-back, openings on facade and a transfer floor. The mechanical characteristics and focus part need be strengthened under earthquake were studied by elastic-plastic dynamic analysis of this structure. The validity of the structure arrangement and the seisnuc performance of the structure were also be checked by nonlinear dynamic analysis. The seismic capability objective of this structure was achieved eventually.
Keywords: verticalirregularity; set-back; transfer story; elastic-plastic analysis