GPＲ 探测电力工程地埋管线的技术方法

在电力工程地埋管线探测中，GPＲ 是一种行之有效的方法。为提高管线探测的精度，降低工程施工风险，笔者从探地雷达野外数据采集开始，详细探讨了探地雷达应用于管线探测时的数据采集方法 ( 包括测线的布设、干扰因素的避让等) 和室内后续数据处理的策略。针对管线探测这一目标，采用预测反褶积技术压制多次波和非线性颜色分级的剖面显示方式是提高数据解释精度的关键，并结合电力隧道地下管线探测实例验证了本文所提方法的有效性。

Technical methods of ground penetrating radar in the detection of buried pipelines for electric power engineering

GPR is an effective method in the detection of buried pipelines for electric power engineering.In order to improve the accuracy of pipeline detection,to reduce the risks of engineering construction,we started from ground-penetrating radar field data collection,studied ground-penetrating radar applied in pipeline survey data collection method （including field geometry,avoiding interference object,etc.） and interior of subsequent data processing strategy.For pipeline detection,the application of the suppression of multiple wave with predictive deconvolution technique and profile display with non-linear color grading are the keys to improve the accuracy of data interpretation.Through a case study of power tunnel of underground pipeline detection the validity of proposed approach is tested.