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

Table 12

Reinforcement effects of isolation piles on torsional deformation of the tunnel structure under different isolation pile diameters.

Pile diameter (m)	β after foundation pit excavation (%)	β after building loading (%)
0.8	25.47	29.79
1	36.39	41.39
1.2	40.48	45.62