Laboratory Investigation on Particle Breakage Characteristics of Calcareous Sands

Table 2

Fractal dimension D of calcareous sand samples at each stress level.

Stress P (kPa)	Fitting equation	Correlation coefficient R^2	Fractal dimension D
0	= (3–2.1098)	0.9663	2.1098
50	= (3–2.1133)	0.9658	2.1133
100	= (3–2.1139)	0.9662	2.1139
200	= (3–2.1143)	0.9639	2.1143
400	= (3–2.1150)	0.9641	2.1150
800	= (3–2.1153)	0.9652	2.1153
1600	= (3–2.1165)	0.9647	2.1165
3200	= (3–2.1170)	0.9657	2.1170