Deformation Control of Subway Tunnels Undercrossing Airport Facilities: A Case Study of the Xinzheng Airport Rail Transit Hub Project

Figure 5

Soil damage range around the tunnel in different calculation steps: (a) the process of soil damage during subway tunnel excavation; (b) contour map of stress in the soil layer when the subway tunnel runs through; (c) soil strength and internal stress distribution in the damaged area.

(a)

(b)

(c)