Study on Seismic Response Characteristics of Shield Tunnel in Soil-Rock Combination Stratum

Table 2

Internal forces of the tunnel structure.

Seismic waves (g)	Location	The right side of structure			The left side of structure
		Axial force N (kN)	Bending moment M (kN·m)	Shear force V (kN)	Axial force N (kN)	Bending moment M (kN·m)	Shear force V (kN)
0.05	Upper interface	−860.7	−168.8	167.2	−891.1	−175.3	158.6
	Lower interface	−755.2	−116.2	97.6	−795.2	−120.4	93.7
0.10	Upper interface	−1 065.6	−273.2	352.1	−1 125.6	−293.6	264.2
	Lower interface	−892.1	−155.2	241.3	−867.2	−146.9	131.5