( 1)扬州市房地产公司,225001；2)扬州大学水利与建筑工程学院,225001；3)东南大学土木学院,南京,210096)
【提要】  古塔结构的安全性评估,是确定古塔修缮加固方案的重要基础工作。在扬州文峰塔修缮加固工程中,应用环境随机振动试验、有限元分析和振型分解法理论计算等方法,综合评估了古砖木塔结构的安全性。
【关键词】  古砖木塔  环境随机振动试验  有限元分析  振型分解法  结构安全性评估
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