Shock and Vibration / 2019 / Article / Fig 1

Research Article

A Study on Seismic Isolation of Shield Tunnel Using Quasi-Static Finite Element Method

Figure 1

Concepts of a seismic isolation layer for shield tunnels. (a) Traversing the boundary between a soft soil deposit and a stiff soil deposit; (b) traversing a fault fracture zone; (c) underlying boundary between a soft soil deposit and a stiff soil deposit; (d) junction with a vertical shaft.

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