Segment Stress Characteristics and Ground Deformation Caused by Constructing Closely Spaced Parallel Tunnels under a Complex Geological Condition

<div>Horizontal displacement nephogram of strata before and after reinforcement. (a) Horizontal displacement nephogram of unconsolidated strata. (b) Horizontal displacement nephogram of consolidated strata.</div>

Advances in Civil Engineering

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Figure 12

Figure 12: Segment Stress Characteristics and Ground Deformation Caused by Constructing Closely Spaced Parallel Tunnels under a Complex Geological Condition 

Figure 12 | Segment Stress Characteristics and Ground Deformation Caused by Constructing Closely Spaced Parallel Tunnels under a Complex Geological Condition 