Table 1 Numerical simulation parameters.
From: Numerical and Empirical Models for Service Life Assessment of RC Structures in Marine Environment
Symbol | Parameter value | Mean |
|---|---|---|
\(U_{c}\) | 44.6 [KÂ J/mol] | The activation energy for chloride diffusion |
\(t_{{{\text{ref}}}}\) | 28 [d] | Reference time of chloride ingress |
\(R\) | 8.314 [J/KÂ mol] | The gas constant |
\(h_{c}\) | 0.75 [–] | The critical humidity |
h | 1 | Humidity |
\(D_{p}\) | \(1.07 \times 10^{ - 10}\) [m2/s] | The diffusion coefficient of chloride in water |
m | 0.2 | The time decay index of chloride diffusion |
\(\rho_{s}\) | 7500 [kg/m3] | The density of the rebar |
Tref | 293 [K] | Reference temperature |
\(\delta_{1}\) | 12.5 µm | The depth of rust generated by filling the pores |
\(r_{0}\) | 8–13 mm | The reinforcement radius |
\(E_{c}\) | 30 [GPa] | Elastic modulus of concrete |
\(f_{t}\) | 1.43 [MPa] | Tensile strength of concrete |
\(v_{c}\) | 0.2 | The Poisson’s ratio of the concrete |
c | 40–70 mm | Thickness of reinforced concrete cover |
w/c | 0.45, 0.55, 0.65 | The water-to-cement ratio |