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
彭双光 1刘志华 1陈朝晖1
作者信息
- 1. 湖南铁路科技职业技术学院,湖南株洲 412006;湖南省高铁运行安全保障工程技术研究中心,湖南株洲 412006
- 折叠
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.
Abstract
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Key words
ballastless track/full focusing/ultrasonic imaging引用本文复制引用
基金项目
2022年度湖南省教育厅科学研究项目(22C1121)
出版年
2024
NETL
NSTL
万方数据