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介绍了矿井瞬变电磁超前探测技术的原理与方法,以淮北某煤矿井下巷道瞬变电磁探测为例,分析了瞬变电磁法在预测预报巷道前方含水体中的应用。通过后期该巷道揭露资料,验证了该方法的有效性,可以为巷道安全掘进提供可靠地质条件预测参数。
The principle and method of advanced mine electromagnetic transient detection technology are introduced. Taking the transient electromagnetic detection of mine roadway in a coal mine in Huaibei as an example, the application of transient electromagnetic method in predicting and forecasting the water body ahead of the roadway is analyzed. Through the late exposure of the roadway to verify the validity of the method, it can provide reliable prediction parameters of geological conditions for roadway safety.