Distribution Features of the Minimum Rock Cover Thickness of the Surrounding Rock Self-Stability of the Metro Tunnel in the Soil-Rock Dualistic Stratum

Table 8

Basic overview of metro station tunnel.

Serial number	Name	Number of measuring points (number)	Hs (m)		Hr (m)		MRCT-SRS (m)
			Distribution range	Mean value	Distribution range	Mean value
1	Zhanshan Road Station	41	13.0 ∼ 20.5	16.8	0.0	0.0	1.80–2.50
2	Jiangxi Road Station	68	9.1 ∼ 14	11.5	0.0	0.0	1.12–2.10
3	Zhongshan Park	61	8.5 ∼ 16.5	11.6	0.0 ∼ 1.6	0.8	1.10–2.25
4	Junfeng Road Station	19	0.7 ∼ 6.8	3.2	4.7 ∼ 9.8	7.3	0.03–0.80
5	Haichuan Road Station	28	0.8 ∼ 8.3	4.3	7.0 ∼ 11	9.0	0.03–0.90
6	Zhiquan Road Station	19	6.1 ∼ 16.5	8.9	8.2 ∼ 14.3	11.2	0.50–0.90