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

Table 4

Variance analysis table of the effect of mixing temperature, steel fiber, and water reducer dosage on slump.

Type	S^2j	Degree of freedom	Analysis of variance
Mixture temperature	888.667	2	0.827
Steel fiber content	848.667	2	0.790
Water reducing agent content	74742	2	69.549
Deviation	1074.667	2
Sum	77554	8