Study on the Stability of Surrounding Rock of Underground Circular Cavern Based on the Anchor Reinforcement Effect

<div>Influence of the rock’s dilatancy angle and intermediate principal stress on the surrounding rock deformation: (a) radius of the surrounding rock reinforcement body damage zone; (b) radial displacement of the tunnel wall.</div>

Advances in Civil Engineering

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Figure 11

Figure 11: Study on the Stability of Surrounding Rock of Underground Circular Cavern Based on the Anchor Reinforcement Effect 