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1 角柱形直眼掏槽方案
Fig.1 Prism vertical cutting scheme