Study on the Instability Mechanism and Grouting Reinforcement Repair of Large-Scale Underground Stopes

<div>Diffusion law of the slurry over time. (a) The step size is 0 s. (b) The step size is 60 s. (c) The step size is 120 s. (d) The step size is 180 s.</div>

Advances in Civil Engineering

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Figure 10

Figure 10: Study on the Instability Mechanism and Grouting Reinforcement Repair of Large-Scale Underground Stopes 