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

Table 3

Comparison of lining stress between circular and horseshoe section shapes.

Items		Segment 2			Segment 3			Segment 4
		(MPa)	/MPa	(MPa)	(MPa)	(MPa)	(MPa)	(MPa)	(MPa)	(MPa)
Circular	Value	+1.49	-16.8	8.7	+2.12	-20.4	+10.9	+0.99	-13.0	6.9
	Position	Top	Bottom	Bottom	Top	Bottom	Bottom	Top	Bottom	Bottom
Horseshoe	Value	+1.26	-20.5	10.7	+1.25	-23.3	+11.4	+0.71	-16.9	8.4
	Position	Inverted arch	Sidewall	Sidewall	Sidewall	Vault	Vault	Inverted arch	Vault	Vault