Influence of Seismic Loading on Segment Opening of a Shield Tunnel

Table 2

Parameters of the supporting structure.

Type	Density; (kg/m^3)	Length × width; (mm × mm)	Thickness (mm)
Inner support 1	2.5×10^3	800×1000
Inner support 2, 3	2.5×10^3	1000×1200
Inner support 4	2.5×10^3	800×1000
Ring beam 1	2.5×10^3	1000×1200
Ring beam 2, 3	2.5×10^3	1200×1200
Ring beam 4	2.5×10^3	1000×1000
Support plate	2.5×10^3		1000
Diaphragm wall	2.5×10^3		1200
Base plate	2.5×10^3		800

Attention the concrete grade of the continuous wall and inner structures is C30.