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首页> 外文会议>The 2008 International Symposium on Safety Science and Technology(2008年安全科学技术国际会议)论文集 >Research on Dynamic Disasters Prediction in Colliery during Deep Excavation by Means of EME Method
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Research on Dynamic Disasters Prediction in Colliery during Deep Excavation by Means of EME Method

机译：基于EME方法的煤矿深基坑动态灾害预测研究。

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摘要

Such coal or rock dynamic disasters as coal and gas outburst during deep excavation is very dangerous. It seriously does harm to the worker's life and property safety, and has effect on social and economic benefit of collieries, in recent years, the dynamic disasters such as coal and gas outburst in coal mine during deep excavation are increasing with the increment of the excavating strength and the depth of mine well. The electromagnetic emission (EME) method is a kind of non-contact prediction method which will correctly predict the coal or rock dynamic disasters during deep excavation. Based on the coupling theorem between EME signal and loading stress during deformation and fracture of coal or rock, and the experimental study, the EME prediction method for coal or rock dynamic disasters during deep excavation is researched in this paper. The results show that: on the one hand, the coupling method between EME and stress can correctly simulate the distribution rules of EME signal in deep coal or rock stratum which can be inversely deduced the propagation of fracture. The practical results of EME have the same changing tendency as the simulated results, which also testify the feasibility of the coupling method. It is offered a kind of new research approach to EME monitoring technology for the purpose of the application of monitoring EME in the prediction of dynamic disasters phenomena in deep coal mines. It also has important meaning for improving the EME monitoring and detecting theory and promoting the related disciplines. In the end, this paper gives a prospect for the research on the EME method for deep coal mine dynamic disasters' prediction in the future.
机译：诸如煤或岩石的动态灾害，如在深基坑中发生的煤与瓦斯突出，是非常危险的。它严重危害工人的生命和财产安全，并影响煤矿井巷的社会和经济效益。近年来，随着开挖次数的增加，深部开挖中煤与瓦斯突出等动态灾害越来越多。强度和矿井深度。电磁辐射（EME）方法是一种非接触式预测方法，可以正确预测深基坑开采过程中的煤或岩石动态灾害。基于煤岩岩石变形破裂过程中EME信号与加载应力之间的耦合定理，并通过实验研究，研究了深基坑掘进过程中煤岩动力学灾害的EME预测方法。结果表明：一方面，EME与应力的耦合方法可以正确模拟深部煤或岩层中EME信号的分布规律，可以反演裂缝的扩展。 EME的实际结果与模拟结果具有相同的变化趋势，也证明了耦合方法的可行性。为监测EME在预测深部煤矿动态灾害现象中的应用提供了一种新的EME监测技术研究方法。这对于完善EME监测理论和推广相关学科具有重要意义。最后，本文为今后的煤矿深部动态灾害预测的EME方法研究提供了前景。

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