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探测被覆井盖是地下管线普查、地下管线竣工测量工作中经常碰到的技术难题,为了精准探测被覆井盖空间位置、提高管线探测成果质量,该文从球体、薄板(井盖)的磁异常特征分析入手,详细介绍了被覆井盖探测原理,分析金属井盖探测仪RD315的性能特点,并结合工程实例,介绍了探测技术应用情况,为被覆金属排水井盖的探测提供了一套有效解决方案,为地下管线普查提供经验参考。
In order to accurately detect the position of covered manhole cover and improve the quality of the pipeline detection results, this paper starts with the analysis of the magnetic anomalies of spheres and thin plates (covers), and analyzes the technical problems frequently encountered in the survey of underground pipelines and the completion of underground pipelines. , Introduced the detection principle of the covered manhole cover in detail and analyzed the performance characteristics of the metal manhole cover detector RD315. Combined with the engineering examples, the application of the detection technology was introduced to provide an effective solution for the detection of the covered metal drain manhole cover. Provide experience for reference.