摘要
对极破碎顶板条件下,采用综采技术开采所面临的顶板控制、安全支护等难题逐一进行分析并采取措施,在己1617-21190工作面的试验较为成功,杜绝了事故的发生,实现了高产高效。
In the conditions of cracked roof, the difficulties of roof controlling and safe supporting with the fullymechanized coal winning technology are analyzed one by one. By solving relative questions, the experiments in the 1617-21190 working face is comparatively successful. Some accidents are avoided and production with high-efficiency is realized.
出处
《煤》
2006年第1期26-27,共2页
Coal
