Prediction of Settling Velocity of Nonspherical Soil Particles Using Digital Image Processing

Table 3

Statistic properties of shape properties.

	Maximum	Average	Minimum	Standard deviation
Maximum diameter (mm)	11.79	5.92	1.60	2.03
Minimum diameter (mm)	7.49	2.97	0.80	1.36
Mean diameter (mm)	8.41	4.61	1.33	1.57
Area (mm^2)	58.52	19.49	1.57	12.86
Perimeter (mm)	37.08	17.22	4.43	6.18
Roundness	0.90	0.72	0.20	0.13
Aspect ratio	4.70	2.23	1.18	0.67