某大底盤雙塔連體高層結(jié)構(gòu)抗震性能分析和設(shè)計(jì)
黃瑾1，楊驍1，王陽利2
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（1 上海大學(xué)土木工程系，上海 200072； 2 上海工程勘察設(shè)計(jì)有限公司，上海 200120）［摘要］某工業(yè)研發(fā)大樓為具有兩個連接體的雙塔連體建筑，屬于特別不規(guī)則的高層建筑結(jié)構(gòu)。通過振型分解反應(yīng)譜法、動力彈性時程分析以及在罕遇地震作用下的靜力彈塑性Pushover分析，對該工程的結(jié)構(gòu)抗震性能進(jìn)行評估，考察塑性鉸的發(fā)展機(jī)制，并針對薄弱部位采取相應(yīng)的加強(qiáng)措施。［關(guān)鍵詞］多塔連體；振型分解反應(yīng)譜法；彈性時程分析；靜力彈塑性分析Seismic design and analysis of a large-base-slab and twin-tower high-rise building with connective structuresHuang Jin1, Yang Xiao1, Wang Yangli2(1 Department of Civil Engineering, Shanghai University, Shanghai 200072, China; 2 Shanghai Construction and Survey Architectural Design Co., Ltd., Shanghai 200120, China)Abstract:An industrial building in Shanghai is a special irregular high-rise building with two connected twin-tower structures. In order to evaluate the structural seismic behavior, the response spectrum analysis, elastic time-history analysis and static elasto-plastic Pushover analysis are carried out for the connected structures. The development of plastic hinge is discussed and the weak areas are found. Strengthening mearures for those areas are presented and the conclusions can be reference for similar projects.Keywords:connected multi-tower; response spectrum analysis; elastic dynamic analysis; static elasto-plastic analysis作者簡介：黃瑾，碩士，Email：huangjin1129@shu.edu.cn。參考文獻(xiàn)［1］GB50011—2001建筑抗震設(shè)計(jì)規(guī)范［S］ 北京:中國建筑工業(yè)出版社, 2001.［2］龔思禮. 抗震設(shè)計(jì)手冊（第二版）［M］. 北京:中國建筑工業(yè)出版社, 2002.［3］包世華, 王建東. 大底盤連體多塔結(jié)構(gòu)的振動計(jì)算及動力分析［J］. 建筑結(jié)構(gòu), 1997,27(6):40-44.［4］常林潤.星城廣廈大底盤多塔結(jié)構(gòu)設(shè)計(jì)［J］. 建筑結(jié)構(gòu),2005,35(5):36-38.［5］JGJ3—2002 高層建筑混凝土結(jié)構(gòu)技術(shù)規(guī)范［S］. 北京:中國建筑工業(yè)出版社, 2002.［6］ATC. Seismic evaluation and retrofit of concrete buildings［R］. Applied Technology Council, Redwood City,California,1996.［7］FEMA. NEHRP guidelines for the seismic rehabilitation of buildings［R］. FEMA-273, Washington D. C., 1997.［8］汪大綏, 賀軍利, 張鳳新. 靜力彈塑性分析（Pushover Analysis）的基本原理和計(jì)算實(shí)例［J］. 世界地震工程, 2004, 20（1）：45-53.
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