Comprehensive Effect of the Time and Water-Cement Ratio on the Rheological Properties of Power-Law Cement Grouts

Table 7

The validation results of the four quantitative models for the water-cement ratio effect on the rheological index of the power-law cement grouts.

Number	Time (min)	Calculate result of four fitting models				Experimental result	Variance analysis (%)
		Linear model	Logarithm model	Linear model	Logarithm model		Variance		Change range		Variance		Change range
							Variance	Range	Variance	Range	Variance	Change range	Variance	Range
	0	0.4439	0.4448	0.4458	0.4464	0.4003	9.82	2.59	10.00	2.79	10.21	2.78	10.33	2.67
	3					0.4075	8.20		8.39		8.59		8.71
	15					0.4007	9.73		9.91		10.12		10.24
	25					0.3998	9.93		10.12		10.32		10.44
	40					0.4122	7.14		7.33		7.54		7.66
	55					0.4058	8.58		8.77		8.97		9.09
	0	0.5750	0.5767	0.5700	0.5716	0.6288	9.36	0.49	9.03	0.49	10.32	0.49	10.01	0.49
	7					0.6314	9.81		9.49		10.77		10.46
	16					0.6286	9.32		9.00		10.28		9.97
	23					0.6289	9.37		9.05		10.33		10.02
	45					0.6295	9.48		9.16		10.44		10.13
	58					0.6309	9.72		9.40		10.68		10.37