Submarine pipeline route detection is of great significance for waterway dredging construction,while the traditional detection techniques have many problems,such as single technical means,low efficiency,unable to determine the buried section information and so on.In order to improve the accuracy of submarine pipeline detection results and operational efficiency,relying on Ningbo-Zhoushan port Tiaozhoumen waterway expansion project,comprehensively uses the side-scan sonar,sub-bottom profiler and marine magnetic detection technology to detect the submarine pipeline in the engineering area.The side-scan sonar results are used as the base data support of the submarine pipeline in the exposed section,and the sub-bottom profiler buried depth results and the magnetic detection inversion buried depth results confirm each other,which jointly improves the accuracy of submarine pipeline discrimination.The engineering application results show that the joint application of the three detection techniques in submarine pipeline detection is reliable,with significantly improved detection accuracy and operational efficiency,and good applicability.It has a good reference and promotion role in similar projects.
side-scan sonarsub-bottom profilermarine magnetic detectioncomprehensive detection methodsubmarine pipeline route
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