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

<div>Geological radar detection spectra before and after grouting: (a) geological radar detection spectrum before polymer grouting; (b) geopolymer grouting after georadar detection spectrum.</div>

Advances in Civil Engineering

fig14

Figure 14

Figure 14: Seismic Response Analysis of Secondary Lining Polymer Grouting Debonding Repair for Tunnel Construction Based on Parameter Inversion 