Influence of Confining Pressure Unloading Rate on the Strength Characteristics and Fracture Process of Granite Using Lab Tests

<div>Variation of axial strain rate in the process of confining pressure unloading. (a) <i>σ</i><sub>3</sub> = 5 MPa. (b) <i>σ</i><sub>3</sub> = 20 MPa.</div>

Advances in Materials Science and Engineering

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Figure 7

Figure 7: Influence of Confining Pressure Unloading Rate on the Strength Characteristics and Fracture Process of Granite Using Lab Tests 