基于掘进面应力和瓦斯浓度动态变化的煤与瓦斯突出预警试验研究

doi:10.13722/j.cnki.jrme.2014.s2.023

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摘要通过对煤与瓦斯突出主要影响因素的研究，提出基于应力和瓦斯浓度动态变化特征的掘进面煤与瓦斯突出实时监测预警方法——SMD法，建立以钻孔应力增量和瓦斯浓度时间序列变化特征为判定指标的突出预报模糊综合预测模型，可以确定掘进面煤与瓦斯突出指标值。在此基础上，研制掘进面煤与瓦斯突出监测预警系统，该系统能够实时监测掘进面围岩应力动态变化以及煤体瓦斯浓度动态变化情况，对煤与瓦斯突出危险区及其危险程度进行实时监测预警。通过在矿山的现场应用，表明该系统能够比较准确地预报突出危险区及其危险程度，保障突出危险工作面的作业安全。

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	姜福兴1
	尹永明1
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	曲效成1
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关键词 ：采矿工程, 掘进面, 瓦斯浓度, 煤与瓦斯突出, 监测预警

Abstract：Research on the influential factors of coal and gas outburst，a precaution technology of heading face coal and gas outburst based on dynamic changes of stress and methane concentration is proposed，which is called the SMD method. The outburst fuzzy comprehensive prediction model is established by the drilling stress increments，gas pressure and the changes in characteristics of the methane concentration time series as the determination index，which is applied to determine the index value of heading face coal and gas outburst. Based on this，the monitoring and precaution system of coal and gas outburst is developed. The system is capable of real-time monitoring heading face dynamic changes of surrounding rock stress and the dynamic changes of the concentration of coal gas，and the continuous and real-time monitoring and precaution for the coal and gas outburst dangerous areas and danger severity could be implemented by the system. Through field application in mine，it is proved that the system can predict the precautions dangerous areas and dangerous levels accurately. In this way，the secure development of dangerous working faces with coal and gas outburst can be done.

Key words： mining engineering heading face methane concentration coal and gas outburst monitoring and precaution

引用本文:

姜福兴1，尹永明1，朱权洁1，王存文1，曲效成1，2. 基于掘进面应力和瓦斯浓度动态变化的煤与瓦斯突出预警试验研究[J]. 岩石力学与工程学报, 2014, 33(S2): 3581-3588.
JIANG Fuxing1，YIN Yongming1，ZHU Quanjie1，WANG Cunwen1，QU Xiaocheng1，2. EXPERIMENTAL STUDY OF PRECAUTION TECHNOLOGY OF HEADING FACE COAL AND GAS OUTBURST BASED ON DYNAMIC CHANGES OF STRESS AND METHANE CONCENTRATION. , 2014, 33(S2): 3581-3588.

链接本文:

https://rockmech.whrsm.ac.cn/CN/10.13722/j.cnki.jrme.2014.s2.023 或 https://rockmech.whrsm.ac.cn/CN/Y2014/V33/IS2/3581

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