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

Table 2

Visual analysis table of the effect of mixing temperature, steel fiber, and water-reducing agent on slump.

Observed value	Factor 1 (mixture temperature)	Factor 2 (steel fiber content)	Factor 3 (water reducing agent content)	Empty column
Kj1	311	235	43	302	K = 822; P = 75076; Q = 152630
Kj2	273	282	121	228
Kj3	238	305	658	292
Qj	75964.667	75924.667	149818	76150.667
S^2j	888.667	848.667	74742	1074.667	S^2T = 77554.000
Range value	73	70	615	74