摘要
介绍了屯兰矿在顶板压力大 ,煤体松软 ,片帮严重的地段 ,应用自行研制的管式注浆帮锚杆 ,成功地控制了煤帮 ,有效地支护顶板 ,满足了生产需要。
Introduces that tube cement injection bolt devoloped by own is applied in Tunlan zone which the roof pressure is bigger,coal body is softer,splites of coal sides is serious.it has controlled successfully the splites of coal sides,supportted effectively the roof to meet the needs of production.
出处
《西山科技》
2001年第6期26-27,36,共3页
Xishan Science & Technology
