基于结构振动参数的损伤识别法  

Damage Detection Method Based on Structural Vibration Parameters

作　　者：霍中艳[1,2] 张岚[1,2] 

机构地区：[1]河海大学水利水电工程学院,江苏南京210098 [2]河海大学水资源高效利用与工程安全国家工程研究中心,江苏南京210098

出　　处：《水电能源科学》2009年第4期104-107,共4页Water Resources and Power

基　　金：国家自然科学基金资助项目(50879024);高等学校博士学科点专项科研基金资助项目(20070294023)

摘　　要：综述了基于结构振动的损伤识别方法中较为常用和有效的方法,在前人研究基础上对其进行分类和评述,重点论述了基于曲率的损伤识别法的优缺点及其适用范围,并对基于结构振动参数的损伤识别法应用于水工结构等大型复杂结构中存在的问题进行了讨论,展望了未来发展方向和趋势。Some common and effective damage detection methods based on changes of vibration parameters are summarized. Advantages and disadvantages as well as the application scope of the methods provided in current literature are discussed, of which more attention is paid on the methods based on mode, shape, curvatures, finally, the problems of bringing these methods into the practical applications in complex structures like Hydraulic structures is analyzed, and the critical issues for future research on vibration-based damage detection are looked forward.

关 键 词：损伤识别 结构振动 模态参数 振型 曲率 

分 类 号：TV312[水利工程—水工结构工程]