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

Table 6

The validation results of the four quantitative variation relationship models of time and the water-cement ratio comprehensive effect on the consistency coefficient of the power-law cement grouts.

Number	Time (min)	Calculate result of four fitting models				Experimental result	Variance analysis (%)
		Linear model	Logarithm model	Exponential model	Power function model		Linear model		Logarithm model		Exponential model		Power function model
							Variance	Change range	Variance	Change range	Variance	Change range	Variance	Change range
	0	2.9656	—	2.5190	0.0000	2.3928	19.31	44.13	—	52.63	5.01	4.58	—	49.42
	3	3.1366	2.7336	2.6828	1.9178	2.4344	22.39		10.95		9.26		-26.94
	15	3.8206	4.6553	3.4517	3.9888	3.1206	18.32		32.97		9.59		21.77
	25	4.3906	5.2652	4.2583	5.0325	3.9013	11.14		25.90		8.38		22.48
	40	5.2456	5.8264	5.8350	6.2325	5.4043	-3.03		7.24		7.38		13.29
	55	6.1006	6.2066	7.9955	7.2042	7.4269	-21.74		-19.66		7.11		-3.09
	0	0.0436	—	0.5134	0.0000	0.4876	—	76.05	—	74.05	5.03	3.24	—	30.28
	7	0.4426	0.4756	0.5947	0.5608	0.5455	-23.25		-14.70		8.27		2.73
	16	0.9556	1.4626	0.7184	0.8168	0.6696	29.93		54.22		6.79		18.02
	23	1.3546	1.8959	0.8322	0.9635	0.7707	43.10		59.35		7.39		20.01
	45	2.6086	2.6973	1.3209	1.3076	1.2313	52.80		54.35		6.78		5.84
	58	3.3496	3.0003	1.7355	1.4677	1.6185	51.68		46.06		6.74		-10.27