【摘要】 结构的动力特性是评价古塔抗震性能和损伤状态的重要指标。结合虎丘塔保护技术的研究,探讨了应用环境随机激振技术测试砖石古塔动力特性的要点、方案和提高测试效率的措施。通过与有限元程序ANSYS分析的结果对比,表明按本测试方案获得的试验结果较为理想,可为同类古塔的测试和研究提供参考。更多还原

【Abstract】 The dynamic behavior is an important index to evaluate the seismic property and damage of ancient pagodas.Combining with the research of protection technology on Huqiu pagoda,this paper discusses the key points,schemes,and measures of improving test efficiency for applied ambient random excitation technology to determine the dynamic behavior of ancient masonry pagodas.The test scheme for Huqiu pagoda is verified by the results of finite element code ANSYS.It is believed that the present work can provide a reference for the test and research of similar ancient pagodas.更多还原