基于曲率模态的桥梁结构钢筋锈蚀损伤识别

The identification of reinforcement corrosion based on curvature mode shape

介绍了曲率模态分析的基本理论,探讨了曲率模态在钢筋混凝土桥梁钢筋锈蚀识别中的应用,通过对一钢筋混凝土简支梁的数值仿真分析得出曲率模态指标可以识别出钢筋锈蚀的存在及发生的位置,还可以对钢筋锈蚀的程度进行分析,从而为曲率模态法应用到实际工程的损伤识别提供了理论基础。

In this paper the theoretical basis of curvature mode shape is discussed. The application of curvature mode shape in the identification of reinforcement corrosion is probed into. The finite element result of a simple beam shows that curvature mode can be used to locate the damage and define the degree of the damage. So to give a theory basis to the damage identification of the application in the practical projects of method of curvature modal.