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8 炮孔利用率方差分析
Table 8 Variance analysis of blast hole utilization rate
目标参数方差来源平方和自由度方差F值临界值显著性
炮孔利用率因素A40.111220.0561.023

F0.10(2,9)=3.01

F0.05(2,9)=4.26

F0.01(2,9)=8.02

因素B1 852.1112926.05647.221****
因素C1 068.7782534.38927.249***
因素D12.11126.0560.309
误差e176.500919.611