An Improved Method for Quantifying Liquid Saturation Using Transparent Soil

Table 1

Transparent soil properties.

Parameter	Units	Coarse gradation^a,b	Fine gradation^a,b	Finer gradation
Refractive index		1.459	1.459	1.459
Particle size distribution
D10	mm	0.75	0.13	0.61
D30	mm	1.16	0.27	0.77
D60	mm	1.75	0.45	0.94
Coefficient of uniformity		2.3	3.3	1.54
Coefficient of curvature		1.0	1.2	1.03
Minimum dry density	kg·m^−3	1050	—	1150

^aPeters et al. [23]; ^bSills et al. [25].