A Cost-Benefit Methodology for Selecting Analytical Reinforced Concrete Corrosion Onset Models

Table 2

Classification and data required for determining model input parameters.

Level	Chloride ingress	Carbonation
1a	RH (relative humidity), (temperature)	RH (relative humidity), (temperature), ( pressure), (atmospheric pressure)
1b	(porosity), (saturation degree), (concrete density), migration coefficient, chloride profiles	(28 days compressive concrete strength), (porosity), (saturation degree), (concrete density)
1c	Concrete mix, cement composition, execution conditions	Concrete mix, cement composition, execution conditions
2	Diffusion coefficient, (water content), (aging parameter), (environmental parameter), (execution parameters), (test method parameter), (surface chloride content)	(binding capacity for ), (required quantity of for a complete carbonation), (aging parameter), (carbon dioxide content), (volumetric ratio of cement paste), hydrate content, unhydrate content, (required carbon dioxide content for a complete hydration of the concrete), (hydration degree), et (fitting parameters of the model of Hyvert), (environmental parameter), (execution parameters), (test method parameter)
3		(exposure model factor), (execution model factor), (factor accounting for the interaction between the diffusion coefficient and the carbon dioxide), (diffusion coefficient)

Meteorological data; tests or project archives; project archives.