Orthogonal Analysis and Numerical Simulation of Rock Mechanics Parameters in Stress Field of Shaft Heading Face

Table 2

Variance analysis for the distressed zone.

Factor	Variance square sum	Freedom	Mean square	F
Correction model	42.228	18	2.346	265.132	0.0001
E	0.022	3	0.007	0.841	0.519
Φ	0.021	3	0.007	0.808	0.534
C	0.056	3	0.019	2.110	0.200
Μ	0.154	3	0.051	5.804	0.033
H	0.009	3	0.003	0.331	0.804
R	41.965	3	13.988	1580.898	0.001
Error	0.053	6	0.009	—	—
Total	307.580	25	—	—	—