Creep Parameter Inversion and Long-Term Stability Analysis of Tunnel Based on GP-DE Intelligent Algorithm

Table 4

The uniform design parameter sample.

	GK (GPa)	GM (GPa)	ηK (GPa·d)	ηM (GPa·d)	Displacement value of 1 (mm)				Displacement value of 2 (mm)				Displacement value of 3 (mm)
					3 d	12 d	24 d	48 d	3 d	12 d	24 d	48 d	3 d	12 d	24 d	48 d
1	0.1	2	1.5	30	3.85	9.01	14.73	20.61	5.92	14.35	18.04	22.83	8.65	16.90	22.54	29.01
2	0.7	3	3.5	20	3.24	8.52	13.88	19.87	5.14	13.12	16.24	21.18	7.52	15.45	18.88	22.19
3	1.3	1	0.5	50	2.30	6.27	11.25	17.39	3.53	11.62	15.58	19.04	6.24	14.07	21.41	27.23
4	1.9	5	2.5	10	1.51	5.89	10.40	16.15	2.71	9.26	12.29	15.25	5.32	12.31	16.82	20.62
5	2.5	4	4.5	40	1.06	4.82	9.03	12.45	1.87	7.65	10.80	12.32	3.48	9.37	11.88	16.80