Freezing Damage Control of Railway Subgrade Miniature Shields in Cold Climatic Regions: Construction Technology Optimization via Numerical Simulation

<div>Displacement boundary conditions of the tunnel section: (a) with uniform contraction; (b) with nonuniform contraction. Dashed lines correspond to tunnel construction section and solid lines to tunnel design section.</div>

Advances in Civil Engineering

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Figure 9

Figure 9: Freezing Damage Control of Railway Subgrade Miniature Shields in Cold Climatic Regions: Construction Technology Optimization via Numerical Simulation 

Figure 9 | Freezing Damage Control of Railway Subgrade Miniature Shields in Cold Climatic Regions: Construction Technology Optimization via Numerical Simulation 