无砟轨道超声成像技术的研究及应用  

Research and Application of Ballastless Track Ultrasonic Imaging Technology

作　　者：彭双光 刘志华 陈朝晖 PENG Shuanguang;LIU Zhihua;CHEN Zhaohui(Hunan Vocational College of Railway Technology,Zhuzhou,Hunan 412006,China;Hunan Provincial High Speed Rail Operation Safety Guarantee Engineering Technology Research Center,Zhuzhou,Hunan 412006,China)

机构地区：[1]湖南铁路科技职业技术学院,湖南株洲412006 [2]湖南省高铁运行安全保障工程技术研究中心,湖南株洲412006

出　　处：《自动化应用》2024年第3期172-174,共3页Automation Application

基　　金：2022年度湖南省教育厅科学研究项目(22C1121)。

摘　　要：无砟轨道板各层间掉块及局部脱空等病害都将影响轨道结构的使用性能及期限。分别介绍相控阵超声技术、合成孔径超声成像技术、基于全矩阵和半矩阵数据采集方法的全聚焦超声成像技术,简述其原理及在混凝土结构和无砟轨道检测中的应用现状。经分析,超声波检测技术和最新的超声成像技术联合检测、相互验证来增强检测结构的准确性已成为新方向。The service performance and duration of the track structure will be affected by the diseases such as the loss of blocks between the layers of the ballastless track plate and the local cavitation.Phased array ultrasound technology,synthetic aperture ultrasound imaging technology,full focus ultrasound imaging technology based on full matrix and half matrix data acquisition methods are introduced,and their principles and applications in the detection of concrete structures and ballastless tracks are briefly described.After analysis,the joint detection and mutual verification of ultrasonic detection technology and the latest ultrasonic imaging technology to enhance the accuracy of the detection structure has become a new direction.

关 键 词：无砟轨道 全聚焦 超声成像 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置] U216.3[自动化与计算机技术—控制科学与工程]