Seismic Response Analysis of Secondary Lining Polymer Grouting Debonding Repair for Tunnel Construction Based on Parameter Inversion

Figure 18

Vertical displacement and acceleration time curves of the top of the secondary lining under different working conditions of the tunnel under the action of the EL-Centro wave (Class III site): (a) the time course curve of vertical displacement at the top of the secondary lining; (b) the time course curve of vertical acceleration at the top of the secondary lining.

(a)

(b)