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4 角柱形掏槽正交试验结果
Table 4 Orthogonal experiment results of prism vertical cutting
试验序号因素列各指标2组试验结果
ABCD炮孔利用率Bu/%槽腔体积Vc/m3
12.75352076780.110.1
22.710503081800.130.12
32.715704065750.100.12
43.05504090880.120.13
53.010702094930.170.16
63.015353050610.060.05
73.65703096950.150.13
83.610354070700.070.06
93.615502059700.100.11