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

Table 14

Orthogonal experiment scheme of the numerical simulation.

Scheme number	Pile bottom depth (A)	Pile top depth (B)	Pile spacing (C)	Pile diameter (E)
1	1.8H	0.5Z	1.6	0.8
2	1.8H	0.625Z	2.4	1
3	1.8H	0.75Z	3.2	1.2
4	1.9H	0.5Z	2.4	1.2
5	1.9H	0.625Z	3.2	0.8
6	1.9H	0.75Z	1.6	1
7	2H	0.5Z	3.2	1
8	2H	0.625Z	1.6	1.2
9	2H	0.75Z	2.4	0.8