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

<div>(a) The rock pillar between the main powerhouse and the transformer chamber with multiple free faces and (b) the average displacement and displacement rate of different parts of the main powerhouse.</div>

Advances in Civil Engineering

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Figure 8

Figure 8: Key Factors Affecting the Deformation and Failure of Surrounding Rock Masses in Large-Scale Underground Powerhouses 