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

Figure 7

The influence of synchronous grouting activities on the reinforcement effect of soil layers: (a) slurry flow rate and accumulated pressure; (b) changes in synchronous grouting amount and solidification slurry strength over time; (c) settlement deformation value of the tunnel after soil reinforcement.

(a)

(b)

(c)