Geomechanical Model Experiment Study on Deformation and Failure Mechanism of the Mountain Tunnel in Layered Jointed Rock Mass

<div>Evolution of surrounding rocks strains around the tunnel: (a) the curves of radial strain versus time and (b) taking the monitoring circle A around the tunnel as an example.</div>

Advances in Civil Engineering

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Figure 12

Figure 12: Geomechanical Model Experiment Study on Deformation and Failure Mechanism of the Mountain Tunnel in Layered Jointed Rock Mass 