基于正交试验的小断面巷道掏槽爆破参数确定 |
章逸锋,李洪超,张智宇,李恒 |
Determination of Blasting Parameters for Excavation and Cutting of Small Section Roadways Based on Orthogonal Experiments |
Yifeng ZHANG,Hongchao LI,Zhiyu ZHANG,Heng LI |
图7 掏槽爆破现场炮孔布置 |
Fig.7 On-site blast hole layout of excavation cutting |