可控源音频大地电磁法在采空区探测中的应用

Application of controlled source audio-frequency magnetotellurics to the survey of coal mine empty area

从可控源音频大地电磁法的工作原理、地质条件、地球物理特征、应用效果分析等方面介绍了可控源音频大地电磁法在煤矿采空区探测中的应用,分析认为,可控源音频大地电磁法探测煤矿采空区是可行的。

This paper introduces the application of controlled source audio-frequency magnetotellurics to the survey of coal mine empty area from the following aspects： the working principle of controlled source audio-frequency magnetotellurics,geological condition,geophysical property and application effect analysis.The analysis shows that it is practical to apply controlled source audio-frequency magnetotellurics to the survey of coal mine empty area.