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近年来在公路隧道的勘探中,越来越重视物探的应用。本文从介绍瞬变电磁法的探测原理入手,介绍了在祝源隧道勘察过程中,应用瞬变电磁法进行勘探的情况。瞬变电磁法的勘探结果较好地揭示了隧道区间断层分布及在深部延伸状况,经过钻探及地表调查验证,效果良好,解决了工程中存在的实际问题。
In the exploration of highway tunnels in recent years, more and more attention is paid to the application of geophysical exploration. This article starts with the introduction of the detection principle of transient electromagnetic method, and introduces the application of transient electromagnetic method in the exploration of Zhuyuan tunnel. The results of transient electromagnetic method reveal well the distribution of faults in the tunnel area and the extension in the deep area. After drilling and surface survey verification, the results are good and the practical problems in the project are solved.