Compressive Fracture of Brittle Geomaterial: Fractal Features of Compression-Induced Fracture Surfaces and Failure Mechanism

Table 1

Total numbers 𝑁(δ) of required cubes and the measurement scales δ, according to the CCM.

δ/mm	Tension-induced fracture surfaces			Compression-induced fracture surfaces
	No. T-1	No. T-2	No. T-3	No. C-1	No. C-2	No. C-3
0.1	11309	11197	11064	10570	11294	13465
0.2	2591	2575	2572	2567	2579	2872
0.4	628	630	629	634	625	669
0.5	401	401	401	404	401	430
1.0	100	100	100	100	100	104
2.0	25	25	25	25	25	25
2.5	16	16	16	16	16	16
5.0	4	4	4	4	4	4
10.0	1	1	1	1	1	1