Blast-Casting Mechanism and Parameter Optimization of a Benched Deep-Hole in an Opencast Coal Mine

Table 4

Component score coefficient matrix.

	Component 1	Component 2	Component 3	Component 4
Q	−0.18	0.392	0.171	−0.295
B	−0.07	0.079	0.552	−0.076
H	0.289	−0.054	−0.057	−0.004
A	−0.066	−0.006	0.104	0.878
W	0.056	0.019	0.571	0.228
V	0.133	0.262	−0.011	−0.033
L	0.027	0.277	0.027	0.142
Vs	0.282	−0.006	0.03	−0.097
Vq	0.304	−0.075	0.02	−0.044
Η	−0.06	0.376	−0.038	0.051