开挖卸荷扰动下的深部巷道支护及其效果评价

陈立强,赵国彦,李洋,毛文杰,党成凯,方博扬

Deep Roadway Support and Its Effect Evaluation Under Excavation Unloading Disturbance

Liqiang CHEN,Guoyan ZHAO,Yang LI,Wenjie MAO,Chengkai DANG,Boyang FANG

图5 不同支护条件下巷道最大主应力云图 （a）巷道开挖；（b）锚杆支护；（c）锚杆—混凝土支护；（d）锚杆—混凝土—金属网支护

Fig.5 Cloud diagram of maximum principal stress of roadway under different supporting conditions