(1. School of Civil and Environmental Engineering，University of Science and Technology Beijing，Beijing 100083，China； 2. Beijing Anke Technology Co.，Ltd.，Beijing 100083，China)
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.
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.
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2014, Vol. 33 
