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

Table 1

Design and results of the orthogonal test.

No.	φ (°)	C (MPa)	μ	E (GPa)	h (m)	R (m)	L1 (m)	L2 (m)	σp (MPa)
1	29	7	0.20	11	900	3.0	18.45	1.95	7.164
2	38	5	0.26	11	1100	6.0	12.65	4.25	10.748
3	32	8	0.24	11	500	3.0	15.23	1.97	4.834
4	29	5	0.20	13	500	4.5	16.87	2.93	3.857
5	35	5	0.20	11	700	4.5	17.89	2.94	5.359
6	35	8	0.26	13	500	3.0	15.42	1.98	5.283
7	35	5	0.24	10	900	7.5	12.62	5.48	7.884
8	35	6	0.20	12	1100	3.0	18.44	1.95	8.734
9	29	5	0.24	10	1100	3.0	18.11	1.96	10.497
10	29	8	0.20	12	900	6.0	16.99	3.94	6.693
11	29	5	0.20	10	500	3.0	18.45	1.96	4.022
12	38	8	0.20	10	700	7.5	14.38	5.12	5.123
13	29	8	0.22	10	1100	4.5	16.54	2.96	9.199
14	38	6	0.20	10	500	3.0	18.45	1.96	4.022
15	35	7	0.22	10	500	6.0	15.38	4.02	4.141
16	29	6	0.22	11	500	7.5	13.8	5.3	4.058
17	32	6	0.26	10	900	4.5	14.27	3.03	9.056
18	29	6	0.24	13	700	6.0	14.58	4.12	6.303
19	32	7	0.20	13	1100	7.5	15.64	5.11	7.982
20	32	5	0.22	12	700	3.0	17.14	1.96	6.139
21	29	5	0.26	12	500	7.5	10.82	5.68	4.858
22	29	7	0.26	10	700	3.0	15.51	1.99	7.342
23	38	7	0.24	12	500	4.5	16.12	2.98	4.655
24	38	5	0.22	13	900	3.0	17.14	1.96	7.863
25	32	5	0.20	10	500	6.0	16.99	3.94	3.767