Table 2 Parameters included in the computational model.
Parameter | Symbol | Value | Unit |
|---|---|---|---|
Limiting capillary water permeability | \( D_{0\_h} \) | 2.2 × 10−10 | m2/s |
Shape factor | \( n \) | 6.4 | – |
Initial fraction of water content | \( \theta_{0\_h} \) | 0.01 | m3/m3 |
Saturated water content | \( \theta_{t\_h} \) | 0.1 | m3/m3 |
Concrete porosity | \( \varphi_{p} \) | 0.1 | m3/m3 |
Hydration age | Thy | >Â 180 | Days |
Binding rate coefficient for chloride ions | \( \alpha_{rc} \) | 1 × 10−5 | 1/s |
Isotherm calibration factor | \( \beta \) | 0.7 | – |
Deposition constant Fe(OH)2 | \( K_{{Fe\left( {OH} \right)_{2} }}^{int} \) | 3.7 × 10−1 | 1/s |
Solubility product of Fe(OH)2 | \( K_{{Fe(OH)_{2} }}^{sp} \) | 8 × 10−6 | mol3/m9 |
Binder content | \( W_{binder} \) | 350 | kg/m3 |
Density of concrete | \( \rho_{con} \) | 2400 | kg/m3 |
Gas constant | \( R_{gas} \) | 8.31 × 10−3 | kJ/mol/K |
Thermal conductivity of concrete | \( \lambda \) | 2.1 | W/m/K |
Specific heat capacity of concrete | \( c \) | 900 | J/kg/K |
Molar mass of Cl− | \( M_{Cl } \) | 0.035 | kg/mol |