泉店煤矿东翼新近系含水层下提高开采上限研究

Study on the improvement of mining up limit under neogenic aquifer in the east wing of Quandian Coal Mine

通过研究分析泉店煤矿11采区在薄基岩、厚松散含水层地质条件下的覆岩破坏高度,设计了煤柱的留设高度,并预计了开采过程中的工作面涌水量,建立了一套基岩面中等倾斜、煤层倾角中等倾斜条件下薄基岩、厚松散含水层下安全开采评价方法,并取得了应用经验。

By studying the overburden failure height under the geological conditions of thin bedrock and thick loose aquifer in NO.11 mining area of Quandian Coal Mine,the design of coal pillar height was done,and the working face inflow during mining was predicted.Set up a mining safety assessment method under the geological conditions of medium slope of bedrock,medium slope of coal,thin bedrock and thick loose aquifer,and made application experience.