朱集矿千米深井首采工作面矿压显现及瓦斯运移规律研究

IBased on the hysteretic nature of previous coalface ground pressure monitoring, the article proposes a new kind of study method of strata pressure law on prediction before mining and monitoring in mining process. The article studies laws of coalface strata pressure and methane moving of overlying strata through the methods of software simulation、theoretical calculation and field measurement tridimensional. It proves mining practice that: the identification of the predicting results before mining and the monitoring results can guarantee the safe product of coalface effectively. The method can avoid accidents of methane overrun and pressing frame in coalface happening.