瞬变电磁探测技术探查采空区分布研究

Research on the Goaf Distribution Exploring Using Transient Electromagnetic Detection Technology

采用瞬变电磁探测技术对山西古县晋辽下辛佛煤业有限公司矿区进行地面探测,结合采空区的视电阻率呈现高阻特征,通过视电阻率分布情况查明矿井采空区分布范围。并从剖面探测成果及水平切片探测成果上,综合分析采空区的导、富水性得出了采空区及异常区在煤系地层中的富水性及其分布范围,为井下水害预报和防治提供可靠依据。

Using the transient electromagnetic detection technology to explore distribution scope and the appar-ent resistivity distribution of the mine goaf on the ground of the mining area of Guxian＇ s Jinliao Xiaxinfo CoalCo. , Ltd. of Shanxi province. Combined with the apparent resistivity of goaf in high impedance characteristics.And from the profiling results and horizontal slice detection results, it can get the watery and its distributionscope of the goal and the abnormal area in the coal bearing strata through analyzing the water transmissibilityand watery comprehensively. Those can provide a reliable basis for the prediction and prevention of the minewater disaster.