Loading [MathJax]/jax/output/HTML-CSS/jax.js

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7 炮孔利用率与槽腔体积比方差分析
Table 7 Variance analysis of blast hole utilization rate and cavity volumn ratio
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/槽腔体积因素ASAfA=r-1ˉSA=SA/?fAFA=ˉSA/ˉSeF1-α(fA,fe)
因素BSBfB=r-1ˉSB=SB/?fBFB=ˉSB/ˉSeF1-α(fB,fe)
??????
误差SefeˉSe=Se/?fe
总和STfT=n-1