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简要介绍地质雷达的工作原理,结合工程实例,阐述地质雷达在隧道衬砌质量检验中的应用,对地质雷达探测施工中的一些技术问题,如测线布置、数据采集、数据图像处理等进行了详细的分析,并通过典型雷达图像分析,对几类不同目标物所产生的异常情况进行了讨论。检验结果为施工单位进行注浆加固处理提供了依据,且其检验方法可为以后隧道的施工和质量检验提供参考。
A brief introduction of the working principle of GPR is given. The application of GPR in tunnel lining quality inspection is expounded in combination with engineering examples. Some technical problems in GPR detection and construction are discussed in detail, such as survey line layout, data acquisition, data image processing and so on The typical radar image analysis was used to discuss the anomalous conditions of several types of targets. The test results provide the basis for the construction unit to carry out the grouting and reinforcement treatment, and the test method can provide reference for the tunnel construction and quality inspection in the future.