Study of Simulation Test in Inclusion Rockburst

Table 3

Fractal dimension of fragments of rock.

Specimen number	The division equivalent side length/mm	Fit the linear equation	Coefficient of association R	Fractal dimension D
1#	>40	y = 2.3379x − 3.7770	0.8475	0.6621
2#	40∼20	y = 1.7309x − 2.8813	0.8057	1.2691
3#	20∼10	y = 2.9385x − 4.58998	0.9171	0.0615
4#	10∼5	y = 1.9740x − 3.3132	0.9909	1.0260
5#	5∼3	y = 1.9904x − 3.2755	0.8453	1.0096
6#		y = 1.9976x − 3.2695	0.9238	1.0024