摘要
设计了一种大型建筑结构模态测试系统。利用该系统对某高层住宅楼进行了现场数据采集;分别采用时域和频域法对采集数据进行了信号处理,得出振动频率和模态振型。结果表明该振动测试系统可以可靠地同步测量出高层住宅楼的多点振动数据,模态分析结果可以显示出不同载荷下振动参数的差异性。对大型建筑结构力学性能与健康状态的检测具有一定的参考价值。
The modal test system of large-scale building structure was designed. The data collect for a high storey residential building was carried out making use of the model test system. Time-domain and frequency-domain method were used to carry out signal Processing for the collected data. So Vibration frequency and modal Vibration type were got. The results showed that the vibration test system can reliably measure out the multi-point vibration data of high storey residential building synchronously. Modal analysis results can show the differences of vibration parameters under different loads. It has a certain reference value for the detection of mechanical properties and health status of large-scale building structure.
出处
《微计算机信息》
2009年第16期129-130,共2页
Control & Automation
关键词
模态测试
模态分析
模态测试系统
大型建筑结构
modal test
modal analysis
modal test system
large-scale building structure
