高密度电阻率法在煤矿岩溶探测中的应用研究
Application Research of the High Density Resistivity Method for Detection of Karst of Coal Mine
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摘要: 文章详细介绍了高密度电阻率法的工作原理和电阻率三维有限差分的数值模拟方法。针对矿井下可能存在的岩溶特征建立了一个具体的岩溶数学模型,并通过正演模拟合成了反射剖面图。计算结果表明,利用高密度电阻率法三维有限差分正演模拟煤矿岩溶,完全可以得到岩溶的特征信息,为进一步治理矿井隐藏岩溶提供了依据。Abstract: The paper introduced working principle of the high density resistivity method and the theory of 3D finite-difference forward modeling of resistivity in details. In view of characteristics of karst in coal mine underground, it established a specific karst model,and synthesized reverberation profiles by forward modeling. The results of calculation showed that using 3D finite-difference of high density resistivity method to forward model of karst of coal mine could observe features of the karst and this can provide theoretical basis for treamenting hidden karst of coal mine.
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