Numerical Simulation on Dynamic Response of Existing Tunnel to Moving-Axle Loads under the Influence of Oblique Shield Crossing the Intersection Area

Figure 10

Peak acceleration of observation points on existing tunnel: (a) shield excavation reaches the 38th ring on the right; (b) shield excavation reaches the 52th ring on the right; and (c) shield excavation reaches the 67th ring on the right.

(a)

(b)

(c)