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( 1)揚(yáng)州市房地產(chǎn)公司,225001；2)揚(yáng)州大學(xué)水利與建筑工程學(xué)院,225001；3)東南大學(xué)土木學(xué)院,南京,210096)
【提要】  古塔結(jié)構(gòu)的安全性評估,是確定古塔修繕加固方案的重要基礎(chǔ)工作。在揚(yáng)州文峰塔修繕加固工程中,應(yīng)用環(huán)境隨機(jī)振動試驗、有限元分析和振型分解法理論計算等方法,綜合評估了古磚木塔結(jié)構(gòu)的安全性。
【關(guān)鍵詞】  古磚木塔  環(huán)境隨機(jī)振動試驗  有限元分析  振型分解法  結(jié)構(gòu)安全性評估
Research on Structural Safety Evaluation of the Ancient Bricktimber
 Pagoda/Gao Jiubin1,Yuan Jianli2,Fan Hua2,Sun Xufeng2,Cao Shuangyin3(1 Yangzhou Real Estate Company,Yangzhou 225001,China;2 College of Hydraulic and Civil Eng.,Yangzhou Univ.,Yangzhou 225001,China;3 College of Civil Eng.,Southeast Univ.,Nanjing 210096,China)
Abstract:It is an important basic work to evaluate the structural safety of ancient pagoda for confirming the scheme of reinforcement and remedy.During the reinforcement and repairing project of Yangzhou Wenfeng Pagoda,the structural safety of the bricktimber pagoda is evaluated synthetically using the methods of ambient random vibration test,finite element analysis and modal decomposition technique.
Keywords:ancient bricktimber pagoda;ambient random vibration test;finite element analysis;modal decomposition technique;structure safety evaluation