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滨绥线牡绥段长大隧道大部分被玄武岩覆盖着,地质调绘、常规物探方法难以发挥作用,采用有源和无源大地电磁法取得了较好的地质效果,本文在研究玄武岩物性特征和大地电磁方法特点的基础上,对牡绥线有源、无源大地电磁实例效果进行分析。
Most of the long tunnels in Muisi section of BinSui Line are covered by basalt. Geological mapping and conventional geophysical methods are difficult to be implemented. The active and passive geomagnetic methods have achieved good geological effects. This paper studies the physical characteristics of basalt And the characteristics of the earth electromagnetic method based on the Mu Sui-line active and passive electromagnetic effects of the earth are analyzed.