Field Test Study of the Artificial Ground-Freezing Method Subsurface Excavation Construction of Watered Sandy Stratum in Collapsible Loess Area

<div>Distribution of the final surface thawing settlement: (a) along the centerline of the cross passage (<i>Y</i>-direction), (b) along the centerline of the two shield tunnels (<i>X-</i>direction), and (c) along the centerline of the two shield tunnels after symmetry (<i>X</i>-direction).</div>

Advances in Civil Engineering

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Figure 7

Figure 7: Field Test Study of the Artificial Ground-Freezing Method Subsurface Excavation Construction of Watered Sandy Stratum in Collapsible Loess Area 

Figure 7 | Field Test Study of the Artificial Ground-Freezing Method Subsurface Excavation Construction of Watered Sandy Stratum in Collapsible Loess Area 