浅谈综采工作面上隅角悬顶治理的研究与应用

Study and application of roof hanging control technology at upper corner in the fully-mechanized mining face

综采工作面上隅角悬顶引发瓦斯聚集等安全隐患,通过退除顶部锚索(杆)、高压水力致裂、码放黄土袋封堵等治理方法,解决了采煤工作面上隅角悬顶带来的一系列隐患问题。

The gas accumulation and other security risks were caused by roof hanging at upper cornerin fully mechanized mining face. By taking the measures of withdrawing roof anchor cable and anchor bolt,high-pressure injection fracturing and loess bag sealing,a series of hidden troubles brought by the roof hanging at upper cornerin fully mechanized mining face were solved.