Research on Surface Subsidence of Long-Span Underground Tunnel

Table 9

Variation of lateral displacement of a monitored section in Junfeng Road Station.

Test group	DC07	DC08	DC09	DC11	DC13	DC18	DC20	DC22	DC30
Accumulated settlement value after excavation (mm)	−9.34	—	−9.44	−9.58	−9.44	−9.78	−9.56	−9.18	—
	−9.18	—	−8.40	−9.28	−9.52	−9.70	−9.78	−9.00	−9.46
	−9.50	−8.72	−9.28	−9.02	−7.74	−9.24	−8.86	−9.68	−9.28
	−8.26	−9.66	−9.08	−8.88	−9.68	−9.72	−8.76	−9.20	−9.28
	−9.34	−9.22	−9.02	−8.68	−9.64	−8.18	−9.52	−7.36	−9.40
	−8.70	−9.00	−8.52	−8.94	−9.44	−8.66	−8.38	−8.60	−8.98
	−9.46	−9.08	−9.18	−9.28	−9.32	−9.24	−9.44	−8.72	−9.62
	—	—	—	—	−9.32	—	−8.50	−8.78	—