摘要
马兰矿10604工作面试验采用沿空留巷,对10604轨道巷内顶板和二次采煤帮补打锚索补强支护,巷旁采用高水充填材料充填加固,可以提高留巷效果。
In the 10604 working face of Malan Coal Mine,gob side entry retaining is adopted in the test,the roof and secondary coal mining in the 10604 track roadway are reinforced and supported with anchor cables,and the high water filling material is used beside the roadway to fill and reinforce,which can improve the effect of retaining the roadway.
作者
孙春生
Sun Chunsheng(Xishan Coal and Power(Group)Co.,Ltd.,Shanxi Taiyuan 030000)
出处
《山东煤炭科技》
2022年第12期58-60,共3页
Shandong Coal Science and Technology
关键词
留巷
充填
支护
retain the roadway
filling
support
