Study on Numerical Simulation of Surrounding Rock Structure Safety of Urban Underwater Shield Tunnel: A Case in Chongqing

Figure 16

The displacement nephogram of lining segment installed at YCK22 + 773.00 cross-section (left tunnel). (a) Horizontal displacement after the right line is excavated to YCK22 + 773.00 cross-section and (b) vertical displacement after the right line is excavated to YCK22 + 773.00 cross-section.

(a)

(b)