Energy Evolution Characteristics and Distribution Laws of Rock Materials under Triaxial Cyclic Loading and Unloading Compression

<div>Relationships of the rock energy density percentage and the strain under the different confining pressure conditions. (a) Elastic energy density percentage versus strain; (b) dissipated energy density percentage versus strain.</div>

Advances in Materials Science and Engineering

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Figure 9

Figure 9: Energy Evolution Characteristics and Distribution Laws of Rock Materials under Triaxial Cyclic Loading and Unloading Compression 