Research on the Effect of Curing Temperature, Steel Fiber, and Admixture Content on Concrete Performance Based on Orthogonal Test in Cold Region

Table 3

Visual analysis table.

Day	Observed value	Factor 1 (curing temperature)	Factor 2 (steel fiber content)	Factor 3 (water reducing agent content)	Factor 4 (accelerating agent content)
1	Kj1	5.593	8.673	9.633	8.436	K = 26.635 P = 78.823 Q = 87.697
	Kj2	8.929	8.723	9.546	8.143
	Kj3	12.113	9.239	7.456	10.056
	Qi	85.911	78.890	79.838	79.533
	S^2j	7.088	0.067	1.015	0.71	S^2T = 8.88
	Range value	6.52	0.566	2.177	1.913
3	Kj1	16.813	19.713	18.683	19.703	K = 56.672 P = 356.857 Q = 377.970
	Kj2	15.786	17.35	21.976	18.233
	Kj3	24.073	19.609	16.013	18.736
	Qi	370.461	358.046	362.805	357.229
	S^2j	13.604	1.189	5.948	0.372	S^2T = 21.113
	Range value	8.287	2.363	5.963	1.47
7	Kj1	17.78	31.65	24.283	29.326	K = 82.519 P = 756.598 Q = 880.710
	Kj2	24.033	22.423	32.200	28.596
	Kj3	40.706	28.446	26.036	24.597
	Qi	850.231	771.229	768.126	760.919
	S^2j	93.633	14.631	11.528	4.321	S^2T = 124.116
	Range value	22.926	9.227	2.639	1.576
28	Kj1	38.537	50.460	38.923	45.070	K = 134.02 P = 1995.707 Q = 2100.234
	Kj2	40.457	37.323	49.907	44.313
	Kj3	55.026	46.237	45.190	44.637
	Qi	2049.910	2025.693	2015.948	1995.803
	S^2j	54.203	29.986	20.241	0.096	S^2T = 104.526
	Range value	16.489	13.137	10.984	0.767