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（1 中國(guó)建筑科學(xué)研究院，北京 100013； 2 廣州天建房地產(chǎn)開發(fā)有限公司，廣州 510632）
［摘要］依照工程設(shè)計(jì)圖紙，按照相似比關(guān)系制作了1∶25的模型結(jié)構(gòu)，選擇兩條場(chǎng)地天然波和一條人工波，進(jìn)行了模擬振動(dòng)臺(tái)試驗(yàn)研究。研究了結(jié)構(gòu)在7度小震～7度半大震下的地震響應(yīng)，揭示了結(jié)構(gòu)的抗震薄弱部位，并采用動(dòng)力彈塑性分析進(jìn)行了驗(yàn)證。試驗(yàn)和計(jì)算結(jié)果表明，結(jié)構(gòu)滿足小震不壞、大震不倒的抗震設(shè)防水準(zhǔn)要求，轉(zhuǎn)換結(jié)構(gòu)以及框支柱為抗震薄弱部位，建議進(jìn)行加強(qiáng)。
［關(guān)鍵詞］多塔結(jié)構(gòu)；連體結(jié)構(gòu)；高位轉(zhuǎn)換；振動(dòng)臺(tái)試驗(yàn)；動(dòng)力彈塑性分析
Elasto-plastic analysis and shaking table test of a multi-tower tall building
Li Yongshuang1, Xu Ziguo1, Cao Jinzhe1, Zhang Hong1, Xiao Congzhen1, Luo Wei2(1 China Academy of Building Research, Beijing 100013, China; 2 Guangzhou Tianjian Real Estate Development Co., Ltd., Guangzhou 510632, China)
Abstract:A 1∶25 structure model according to the engineering design is made. Based on the two location natural seismic waves and one artificial seismic wave, the shaking table test was finished. Through shaking table test, the seismic response of structure model from 7 degrees low level earthquake to 7.5 degrees high level earthquake is studied, and the weak spot of the structure is found. The dynamic elasto-plastic computation analysis is carried out to verify shaking table test results. The results of the test and computation indicate that the structure satisfies the 3-level design objective, and the transfer story is the weak spot of the structure, suitable enhancement should be carried to that part.
Keywords:multi-tower tall building; connective structure; high transfer structure; shaking table test; dynamic elasto-plastic analysis
作者簡(jiǎn)介：李永雙，碩士，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:Liyongshuang@cabrtech.com。
參考文獻(xiàn)
［1］JGJ101—96建筑抗震試驗(yàn)方法規(guī)程［S］.
［2］廣州天建花園模擬地震振動(dòng)臺(tái)模型試驗(yàn)報(bào)告［R］//中國(guó)建筑科學(xué)研究院，2007.