冲击回波声频法在铁路隧道衬砌缺陷检测中的应用研究  

Application Research of Impact Acoustic Echo Method in Defect Detection of Railway Tunnel Lining

作　　者：王兴照 WANG Xingzhao(China Railway 24th Bureau Group Co.Ltd.,Shanghai 200082,China)

机构地区：[1]中铁二十四局集团有限公司,上海200082

出　　处：《铁道建筑技术》2025年第4期126-129,共4页Railway Construction Technology

基　　金：中铁二十四局集团有限公司科技研发项目(科研2024-22)。

摘　　要：地质雷达法和人工敲击法在检测过程中,因人员技术水平和检测范围等因素影响,导致检测结果存在较大不确定性。本文阐述冲击回波声频法的基本原理,对无损检测各方法技术特点予以分析,并结合检测实例进行结果识别和解释。实践表明:冲击回波声频法融合了人工敲击法和冲击回波法的优势,其检测结果图形易于识别;在典型缺陷方面,冲击回波声频法和地质雷达法检测结果基本一致,能够精准判断缺陷位置和类型;冲击回波声频法与地质雷达法技术特点形成互补,在隧道衬砌缺陷检测中联合运用效果更佳,能为隧道衬砌缺陷整治提供技术支持,具有较好的应用前景。During the detection process of the ground penetrating radar method and the manual knocking method,due to factors such as the technical level of personnel and the detection range,the detection results have uncertainties.This article elaborates on the basic principles of the impact acoustic echo method,analyzes the technical characteristics of various non-destructive testing methods,and combines detection examples to carry out result recognition and interpretation.The results show that the impact acoustic echo method combines the advantages of the manual knocking method and the impact echo method,and its detection result graph is easy to identify;in terms of typical defects,the detection results of the impact acoustic echo method and the ground penetrating radar method are consistent,and the defect location and type can be accurately determined;the technical characteristics of the impact acoustic echo method and the ground penetrating radar method are complementary.The combined application in the detection of tunnel lining defects has a better effect and can provide technical support for the remediation of tunnel lining defects,and has a good application prospect.

关 键 词：隧道衬砌 冲击回波声频法 地质雷达法 冲击回波法 无损检测 衬砌脱空 

分 类 号：U456.3[建筑科学—桥梁与隧道工程]