Critical State of Sand Matrix Soils

Table 4

Compositional characteristic of tested sand matrix soils.

Tested soils	Weight percentages (%)		Density (Mg m^−3)		Void ratio		Grading
	Sand	kaolin	Min	Max	Min	Max	Cu	Cc
SA1	100	0	1.37	1.59	0.920	0.649	4.1	1.5
SK1	95	5	1.39	1.66	0.894	0.582	4.8	1.7
SK2	90	10	1.41	1.70	0.867	0.550	5.0	1.2
SK3	85	15	1.43	1.76	0.841	0.491	5.4	1.2
SK4	80	20	1.45	1.80	0.815	0.462	5.7	0.8
SK5	75	25	1.47	1.87	0.788	0.409	5.7	0.4
SK6	70	30	1.39	1.76	0.894	0.491	5.4	0.3
SK7	60	40	1.28	1.63	1.051	0.615	4.6	0.3