Reinforcement Effects of Isolation Piles on the Adjacent Existing Tunnel in Building Construction

Table 8

Deformation values of the tunnel structure.

Scheme number	Maximum horizontal displacement (mm)	W after foundation pit excavation (mm)	W after building loading (mm)
0	9.17	2.94	3.31
1	6.53	2.19	2.32
2	6.61	2.23	2.38
3	6.80	2.36	2.50

W is the horizontal displacement difference between the tunnel structure roof and the floor.