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

<div>The displacement nephogram of lining segment installed at YCK22 + 773.00 cross-section (left tunnel). (a) Horizontal displacement after the left-line excavation is completed and (b) vertical displacement after the left-line excavation is completed.</div>

Shock and Vibration

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Figure 15

Figure 15: Study on Numerical Simulation of Surrounding Rock Structure Safety of Urban Underwater Shield Tunnel: A Case in Chongqing 