摘要
针对大兴煤矿"三软"煤层的实际,探索支护工艺改革,实施壁后注浆,解决了"三软"煤层的支护问题,取得了较好的技术经济效益,使软岩复杂环境矿井实现了高效集约化生产。
In view of the actual condition of ＂ Three Soft＂ coal seam in Daxing Coal Mine, explored the reform of supporting process, by implementation of grouting behind segment, solved the ＂Three Soft＂ coal roadway support problems, andachieved good technical and economic benefits, made the soft rock mine complex environment to achieve an efficient andintensive production.
出处
《山东煤炭科技》
2014年第7期58-59,62,共3页
Shandong Coal Science and Technology
关键词
壁后注浆
“三软”煤层
应用
grouting behind segment ＂Three Soft＂ coal seam application
