Analysis of Stress and Deformation Characteristics of Deep-Buried Phyllite Tunnel Structure under Different Cross-Section Forms and Initial Support Parameters

Table 3

Stress results (unit: MPa).

WC	R (cm)	MP 1	MP 2	MP 3	MP 4	MP 5	MP 6	MP 7
WC V	1300	−1.14	−1.32	−1.26	−2.08	−2.07	−2.29	−2.29
	1000	−1.15	−1.34	−1.28	−2.07	−2.09	−2.27	−2.30
	700	−1.12	−1.31	−1.27	−2.07	−2.08	−2.37	−2.40
WC II	1300	−0.64	−0.56	−0.86	−1.16	−1.16	−1.30	−1.30
	1000	−0.65	−0.56	−0.86	−1.16	−1.16	−1.22	−1.24
	700	−0.64	−0.55	−0.86	−1.15	−1.15	−1.19	−1.20
WC III	1300	−0.56	−0.49	−0.98	−1.14	−1.15	−1.68	−1.69
	1000	−0.58	−0.47	−0.95	−1.14	−1.15	−1.25	−1.27
	700	−0.56	−0.47	−0.95	−1.14	−1.14	−1.21	−1.20