Effects of Particle Shapes and Sizes on the Minimum Void Ratios of Sand

Table 3

Shape parameters of the types of source sand.

Sand	Flatness	Sphericity	Angularity
NS	1.3755	0.5632	1.0445
DS	1.3551	0.5687	1.0319
FS	1.3299	0.5894	1.0286
YS	1.3189	0.6114	1.0373