Research Article

A Novel Method for Analyzing the Factors Influencing Ground Settlement during Shield Tunnel Construction in Upper-Soft and Lower-Hard Fissured Rock Strata considering the Coupled Hydromechanical Properties

Figure 3

Numerical models of three different upper-soft and lower-hard fissured strata.
(a) The tunnel in soft strata
(b) The tunnel in semisoft and semihard strata
(c) The tunnel in hard strata