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

Figure 6

The vertical stress nephogram of the tunnels and surrounding rock. (a) YCK22 + 701.00 cross-section (left tunnel), (b) YCK22 + 773.00 cross-section (left tunnel), (c) YCK22 + 845.00 cross-section (left tunnel), (d) YCK22 + 701.00 cross-section (right tunnel), (e) YCK22 + 773.00 cross-section (right tunnel), and (f) YCK22 + 845.00 cross-section (right tunnel).

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