The Analysis of Time-Space Effect of Surrounding Rock Deformation of TBM Tunnels in Deep Composite Stratum with or without Support

Figure 4

Schematic diagram of segment mode. (a) Mould. (b) Weighing. (c) Pouring model. (d) Removing the mould. (e) Model of the segment.

(a)

(b)

(c)

(d)

(e)