Key Factors Affecting the Deformation and Failure of Surrounding Rock Masses in Large-Scale Underground Powerhouses

<div>Monitoring result of the multipoint extensometer and anchor bolt: (a) displacement and displacement rate curves at stake ZC0 + 77 m; (b) displacement and anchor bolt stress curves at stake ZC0 + 229 m.</div>

Advances in Civil Engineering

fig14

Figure 14

Figure 14: Key Factors Affecting the Deformation and Failure of Surrounding Rock Masses in Large-Scale Underground Powerhouses 