隧道衬砌质量定性定量检测方法的研究与应用  

Discussion on Qualitative and Quantitative Detection Methods for Tunnel Lining Quality

作　　者：金玮 Jin Wei(China Railway 11th Bureau Group First Engineering Co.Ltd.,Xiangyang,Hubei 441110)

机构地区：[1]中铁十一局集团第一工程有限公司,湖北襄阳441110

出　　处：《江西建材》2024年第12期101-104,共4页

摘　　要：为准确判定隧道衬砌质量缺陷并对衬砌质量定性定量分析,文中提出了地质雷达法与冲击回波声频法互补检测的方法,在同围岩同环境条件下,分别分析两种方法的优势,总结实际应用的效果,解决了二衬与初支界面深度判定、二衬层间平行脱空、二衬浅层不密实等缺陷不易辨识的技术难题。采用地质雷达法与冲击回波声频法可准确判定衬砌缺陷类型,并对缺陷范围及深度进行确认,保证隧道衬砌质量缺陷检测的准确性,为隧道衬砌施工质量控制提供技术分析,及时发现并纠偏。To accurately determine the quality defects of tunnel linings and conduct qualitative and quantitative analysis of lining quality,a complementary detection method using geological radar and impact echo acoustic frequency methods has been proposed.Under the same surrounding rock and environmental conditions,the advantages of both methods are analysed separately,summarising the effects of practical application,and addressing the technical challenges of identifying defects such as the depth determination of the interface between the secondary lining and initial support,parallel voids between secondary lining layers,and shallow non-densities in the secondary lining.The use of geological radar and impact echo acoustic frequency methods can accurately identify the types of lining defects and confirm the extent and depth of these defects,ensuring the accuracy of tunnel lining quality defect detection,providing technical analysis for quality control in tunnel lining construction,

关 键 词：衬砌质量检测 地质雷达法 冲击回波声频法 检测方法研究应用 

分 类 号：U456[建筑科学—桥梁与隧道工程]