连续钢桁梁桥的损伤诊断分析
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摘要
针对连续钢桁梁桥进行动力特性分析,结合神经网络以频率和振型动力特性参数对连续钢桁梁进行了损伤辨识、损伤定位和损伤标定,并对损伤诊断结果进行了讨论,指出三阶段诊断方法在复杂桥梁损伤诊断中具有实际意义。
In this paper,the dynamic characteristics of continuous steel truss bridge are analyzed.The damage detetion of continuous steel truss bridge combined with neural network and natural frequency and vibration mode is carried out.The results of damage diagnosis are discussed.It is pointed out that three-step damage diagnosis method for large and complex bridge has its practical significance.
引文
[1]魏保立,苏木标,等.芜湖长江大桥连续板桁结合梁的动力特性研究[J].国防交通工程与技术,2005,3(1):17-20.
    [2]高赞明,孙崇光,倪一清.基于振动方法的汲水门大桥损伤检测研究[J].地震工程与工程振动,2001,21(4):117-124.
    [3]王柏生,倪一清,高赞明.青马大桥桥板结构损伤位置识别的数字模拟[J].土木工程学报,2001,34(3):67-73.

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