Fundamental Fresh State Properties of Self-Consolidating Concrete: A Meta-Analysis of Mix Designs

Table 3

Factors extracted by PCA of the fresh state parameters.

Fresh state parameters	F1	F2	F3
SF (mm)	0.075	0.862	−0.153
T500 (s)	0.821	−0.103	−0.006
TV (s)	0.854	0.008	−0.038
(H2/H1)^−1	0.197	−0.784	−0.214
VSI	0.022	−0.022	−0.981
Explained variance	32.2%	24.8%	20.1%