According to the above study and the successful experiment repairing the weak rock mass roadway with bolt-grouting support in Jincuan No.2 mine, the auth...

• 根据在金川二矿区进行不良岩层支护试验的实践经验和金川不良岩层巷道支护原则,给出了适用于各类不良岩层巷道的支护设计方案。