Influence of Foundation Pit Excavation on Tunnels at Different Locations

Figure 5

Additional tunnel bending moments (kN·m) for case C and case S. (a) Case C: C-C section, (b) case C: D-D section, (c) case S: C-C section, and (d) case S: D-D section.

(a)

(b)

(c)

(d)