The method and application of close range and deep buried metal pipelines detection
With the development of engineering construction,the detection of close range and deep buried underground pipelines has become a difficult point in the current engineering field.For the detection of close range and deep buried metal pipelines,the horizontal electromagnetic profile method is studied in this paper,the indirect charging method for signal loading is proposes for the first time,and the inversion method of magnetic induction intensity with terrain correction is adopted.The key technique and solution is presented in detail which is applied in a detection project of multiple underground pipelines buried more than 12m depth and in close distance.The detection results have been verified by manual excavation and are fully in line with reality.The accuracy is satisfied with the requirements.It can be referred by the similar projects.
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