Research on Characteristic Stress and Constitutive Equation of Confined Sandstone during Damage Evolution Based on Energy Evolution Analysis

<div>Test equipment. (a) Rock triaxial testing system. (b) Extensometers.</div>

Advances in Materials Science and Engineering

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Figure 2

Figure 2: Research on Characteristic Stress and Constitutive Equation of Confined Sandstone during Damage Evolution Based on Energy Evolution Analysis 

Figure 2 | Research on Characteristic Stress and Constitutive Equation of Confined Sandstone during Damage Evolution Based on Energy Evolution Analysis 