Numerical Analysis on the Structure Type and Mechanical Response of Tunnel Crossing Active Reverse Fault

Table 4

Comparison of segment stress under three different lining thicknesses.

Thickness of lining		(MPa)		(MPa)		(MPa)
		Value	Position	Value	Position	Value	Position
30 cm	2#	+1.2	Inverted arch	-8.6	Vault, arch springing	4.4	Vault
	3#	+1.3	Vault、sidewall	-16.8	Inverted arch	8.4	Wall foot
	4#	+0.7	Inverted arch	-16.6	Arch springing	8.2	Arch springing
55 cm	2#	+1.26	Wall waist	-20.5	Vault	10.7	Vault
	3#	+1.25	Vault	-23.3	Inverted arch	11.4	Inverted arch
	4#	+0.70	Vault	-16.9	Wall foot	8.4	Wall foot
85 cm	2#	+1.18	Wall waist	-13.1	Vault	6.7	Vault
	3#	+1.30	Vault	-32.1	Inverted arch	15.4	Inverted arch
	4#	+1.02	Vault	-17.9	Inverted arch	7.4	Inverted arch