Modeling of Corrosion Rate and Resistivity of Steel Reinforcement of Calcium Aluminate Cement Mortar

Table 2

Main effects and interactions.

Parameters	Main effects and interactions for the Icorr study	Main effects and interactions for the ohmic drop study
T (curing temperature)	2.45	−410
w/c (water/cement)	1.55	310
Cl (chloride content)	1.95	−190
(T) (w/c)	−5.6	255
(T) (Cl)	1	4
(w/c) (Cl)	0.5	145
(T) (w/c) (Cl)	1.375	−100
Confidence interval	2.04	122
Curvature effect	−3.3	10
Confidence interval of the curvature effect	3.53	212