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

表3 正交试验设计表

Table 3 Design table of orthogonal experiment

试验序号 因素列 A B C D 1 2.7 5 35 20 2 2.7 10 50 30 3 2.7 15 70 40 4 3.0 5 50 40 5 3.0 10 70 20 6 3.0 15 35 30 7 3.6 5 70 30 8 3.6 10 35 40 9 3.6 15 50 20