Stability Analysis of Shield Excavation Face Based on Particle Flow in Different Depths of Sandy Gravel Stratum

<div>Brief geological profile of tunnel entrance. The profile contains soil type and tunnel excavation situation; M18Z3-HCNZ-25 to 29 represent four drills.</div>

Advances in Civil Engineering

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Figure 1

Figure 1: Stability Analysis of Shield Excavation Face Based on Particle Flow in Different Depths of Sandy Gravel Stratum 