| 钢筋混凝土梁损伤的振动诊断 |
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| 引用本文： | 虞和济,唐海燕.钢筋混凝土梁损伤的振动诊断[J].东北大学学报(自然科学版),1997,18(1):6-11. |
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| 作者姓名： | 虞和济 唐海燕 |
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| 作者单位： | 东北大学设备诊断工程中心 |
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| 摘 要： | 利用时间序列法中的ＡＲ或ＡＲＭＡ模型得到时的脉冲传递函数的特点，提出了由传递函数求出结构动力特性的方法。同时，通过分析实验钢筋混凝土梁的振动信号，得到了故障对格林函数影响的规律性在此基础上建立的初步故障诊断因子。
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| 关 键 词： | 随机振动 钢筋混凝土结构 梁 损伤 故障诊断 |
Time Series Method of Dynamic Discernment of Failure of Reinforced Concrete Beam |
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| Yu Heji,Tang Haiyan,Liang Jianshu.Time Series Method of Dynamic Discernment of Failure of Reinforced Concrete Beam[J].Journal of Northeastern University(Natural Science),1997,18(1):6-11. |
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| Authors: | Yu Heji Tang Haiyan Liang Jianshu |
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| Abstract: | The authors have made an analysis of the characteristics of the AR/ARMA models in the time series method and the characteristics of the derived pulse transfer function,and have developed a method to derive the dynamic features of stracture from the transfer function. Meanwhile,by analyzing the vibration signals of the tested reinforced concrete beam,have been found the effects of the failures on Green function,and the initial diagnosis factors of failures formed on that basis. |
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| Keywords: | random vibration discernment time series model transfer function |
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