Research Article

Large-Scale Shaking Table Test of Seismic Response Laws for a Shallow Double-Arch Tunnel under Unsymmetrical Pressure with a Damping Layer

Figure 21

Variation trends of the peak strain: (a) 0.1 g, (b) 0.2 g, (c) 0.4 g, and (d) 0.6 g.
(a)
(b)
(c)
(d)