大采高工作面覆岩“三带”高度的研究

Research on Height of"Three Zones"of Overlying Strata of Working Face with Large Mining Height

对晋能控股煤业集团长治三元中能煤业有限公司2301大采高工作面覆岩“三带”高度的研究采用了综合分析的方法,即理论计算、模拟分析和现场实测,得到了2301大采高工作面覆岩“三带”高度。垮落带、裂隙带、弯曲下沉带的高度分别为14.5 m,14.5~51.4 m,51.4 m以上。

This paper researched the height of"three zones"of the overlying strata of 2301 working face with large mining height of Sanyuan Zhongneng Coal Industry Co.,Ltd.of Changzhi of Jinneng Holding Coal Industry Group by adopting a comprehensive analysis method,that is,theoretical calculation,simulation analysis and field measurement,and obtained the height of"three zones"of the overlying strata of 2301 working face with large mining height.The heights of the collapse zone,fracture zone and curved subsidence zone are 14.5 m,14.5-51.4 m and 51.4 m or more respectively.