Effects of the Particle Shape and Size on the Single-Particle Breakage Strength

Table 2

Statistics of limestone particle shape parameters.

Grain size (mm)	Shape	Statistics
		Average	Variance	Standard deviation	Coefficient of variation
10–20	e	1.44	0.03	0.17	0.11
	Aspect	1.42	0.03	0.18	0.13
	R	0.63	0.002	0.04	0.07
	C	0.95	0.001	0.03	0.04
	r	1.27	0.05	0.23	0.18
20–40	e	1.40	0.02	0.15	0.11
	Aspect	1.37	0.03	0.16	0.12
	R	0.75	0.001	0.04	0.05
	C	0.96	0.00	0.01	0.01
	r	1.21	0.001	0.04	0.03
40–60	e	1.38	0.02	0.13	0.09
	Aspect	1.35	0.02	0.14	0.10
	R	0.76	0.01	0.09	0.11
	C	0.97	0.00	0.01	0.01
	r	1.20	0.05	0.23	0.19