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

<div>Ground settlement caused by dual-subway tunnel crossing without support: (a) contour map of tunnel displacement under unsupported conditions; (b) distribution of soil layer weight without support (the black element in the figure represents the soil displacement arrow).</div>

Advances in Civil Engineering

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Figure 4

Figure 4: Deformation Control of Subway Tunnels Undercrossing Airport Facilities: A Case Study of the Xinzheng Airport Rail Transit Hub Project 