Research on the Mechanical Characteristics of Cyclic Loading and Unloading of Rock Based on Infrared Thermal Image Analysis

<div>Variation curve of the elastic modulus of the sample under different loading and unloading ranges. (a) Five cycles of loading and unloading. (b) Ten cycles of loading and unloading.</div>

Mathematical Problems in Engineering

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Figure 7

Figure 7: Research on the Mechanical Characteristics of Cyclic Loading and Unloading of Rock Based on Infrared Thermal Image Analysis 