Hollow Grouting Anchor Rope Application in Soft Rock Roadway Repair
ZHU Xue-ting1, CHENG Xiang2
1. Panyi Mine, Huainan Mining Industry Group Corporation Ltd., Huainan 232082, China; 2. Xinzhuangzi Mine, Huainan Mining Industry Group Corporation Ltd., Huainan 232072, China
Based on soft rock roadway repair problem, an experiment for replenishment cooperate hollow grouting anchor cable anchor mesh, spray repair plan was conducted, and compared with conventional aircraft u-shaped tent. Practice proved that the hollow grouting anchor cable repair plan can effectively control deformation of the roadway after repair problems, reduce the support costs, shorten the time limit for a project, provide experiences for the repair of soft rock tunnel excavation supporting technology.