Research Article

Analytical Method for Evaluating the Ground Surface Settlement Caused by Tail Void Grouting Pressure in Shield Tunnel Construction

Figure 6

Relationship between the ground surface heave and (a) elastic modulus (MPa); (b) tail void grouting pressure (MPa); (c) tunnel radius (m); (d) tunnel depth (m).
(a)
(b)
(c)
(d)