Deformation Characteristics of a Deep Subway Foundation Pit in Hard Rock Strata under a Delayed Supporting Condition

Figure 8

Lateral deformations of the foundation pit at different excavation depths. (a) Excavation depth: 8 m. (b) Excavation depth: 15 m. (c) Excavation depth: 24 m. (d) Excavation depth: 31 m.

(a)

(b)

(c)

(d)