Table 1.

Basic physical properties and classification characteristics of medium sand (MSa—SP) from southern Poland.

Parameter	Symbol	Unit	Value
Specific gravity	ρs	g/cm3	2.65
Effective diameter	d10	mm	0.20
	d30	mm	0.34
	d50	mm	0.42
	d60	mm	0.48
	d90	mm	1.15
Coefficient of uniformity	Cu	-	2.40
Coefficient of curvature	Cc	-	1.20
Clay fraction	ClF	%	0
Silt-size fraction	SiF	%	0.38
Sand fraction	SaF	%	99.54
Gravel fraction	GrF	%	0.08