Experimental Study of the Rock Mechanism under Coupled High Temperatures and Dynamic Loads

Figure 7

Fracture patterns for the UCS test under different temperatures: (a–f) experimental results; (g) mode II damage [55]; and (h) mixed-mode I-II damage [55]. (a) 25°C. (b) 100°C. (c) 200°C. (d) 400°C. (e) 600°C. (f) 800°C.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)