Fractal Characteristics of Rock Fracture Surface under Triaxial Compression after High Temperature

Table 1

Average value of fractal dimension of rock fracture under different temperature and confining pressure.

Confining pressure MPa	Temperature °C
	25	200	400	600	800	1000
	Fractal dimension
0	1.905	1.894	1.965	1.973	1.954	1.772
10	1.937	1.947	1.968	1.974	1.943	1.853
20	1.915	1.957	1.955	1.974	1.949	1.940
30	1.846	1.979	1.932	1.953	1.953	1.939
40	1.935	1.976	1.975	1.915	1.941	1.946