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

Figure 6

The slurry flow values are divided into parts A and B. The slurry flow model B is taken from the surrounding soil of the tunnel and is divided into two areas from top to bottom building air raid (not shown, replaced by high permeability coefficient) and excavation of the soil layer. According to the level of permeability, the order is building voids > high-permeability soil with cracks (highlighted areas in B are cracks) > remaining soil with fewer cracks.