Analysis of Damage Mechanism of Tunnel Lining Structure under the Coupling Action of Active Fault

Figure 9

The cloud diagram development range of the plastic zone of the lining with different ratios of 1.4 m at the 45° dip angle. (a) The cloud diagram of plastic zone of 1.4 m tunnel lining with a ratio of 1 : 1. (b) The cloud diagram of plastic zone of 1.4 m tunnel lining with a ratio of 1 : 2. (c) The cloud diagram of plastic zone of 1.4 m tunnel lining with a ratio of 1 : 3.

(a)

(b)

(c)