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

Table 4

Four models and the analysis result of the time and water-cement ratio comprehensive effect on the consistency coefficient of the power-law cement grouts.

Model	Fitting equation	Source	DF	SS	MS
Linear model		Regression	2	146.03	73.01	75.07	0.00	81.98%	80.89%
			1	46.40	46.40	47.71	0.00
			1	99.62	99.62	102.42	0.00
		Error	33	32.10	0.97
		Sum	35	178.12
Logarithm model		Regression	2	130.59	65.29	50.65	0.00	78.95%	77.40%
			1	31.69	31.69	24.58	0.00
			1	98.90	98.90	76.72	0.00
		Error	33	34.81	1.29
		Sum	35	165.39
Exponential model		Regression	2	36.21	18.11	764.37	0.00	97.89%	97.76%
			1	6.69	6.69	282.58	0.00
			1	29.52	29.52	1246.17	0.00
		Error	33	146.03	0.02
		Sum	35	46.40
Power function model		Regression	2	28.74	14.37	242.59	0.00	94.34%	93.42%
			1	4.61	4.61	77.79	0.00
			1	24.13	24.13	407.39	0.00
		Error	33	1.60	0.06
		Sum	35	30.34