Experimental Study on Capillary Water Migration Characteristics of Tailings with Different Particle Sizes

Table 3

Capillary water height fitting equations for tailings with different particle size.

Grain group	The average particle size (μm)	Coefficient			Fitting equation	Regression coefficient
		a	b	c
Tail fine sand	152.5	6.59	-6.35	0.18		0.9924
Tail silty sand	100	-21.05	-12.1	0.5		0.9352
Tail silty soil	40	-138.98	-31.85	96.93		0.9924