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

Figure 9

AIRT curve of the rock compression test under different loading and unloading ranges. (a) 12% range, five cycles, and sample B-11. (b) 12% range, ten cycles, and sample B-21. (c) 60% range, five cycles, and sample F-11. (d) 60% range, ten cycles, and sample F-21.

(a)

(b)

(c)

(d)