Table 1 Porosity, corrosion rate, and reduction coefficient of pore structure \({\eta }_{{pore}}\) of hardened OPC and AAS mortars
From: Mechanisms and kinetic model for steel corrosion in unsaturated cementitious materials
Mix ID | Corrosion rate in pore solution (μA/cm2) | Porosity (28 days) | Corrosion rate in saturated mortar at 28 days (μA/cm2) | Experimental \({\eta }_{{pore}}\) (28 days) | Porosity (56 days) | Corrosion rate in saturated mortar at 56 days (μA/cm2) | Experimental \({\eta }_{{pore}}\) (56 days) |
|---|---|---|---|---|---|---|---|
NH-A5-Cl0.6 | 1.602 | 0.212 | 0.336 | 0.210 | 0.214 | 0.265 | 0.165 |
NH-A5-Cl1.2 | 2.555 | 0.217 | 0.371 | 0.145 | 0.219 | 0.355 | 0.139 |
NH-A5-Cl1.8 | 3.091 | 0.224 | 0.475 | 0.154 | 0.229 | 0.474 | 0.153 |
NH-A5-Cl2.4 | 3.411 | 0.235 | 0.579 | 0.170 | 0.235 | 0.549 | 0.161 |
NC-A5-Cl1.8 | 3.460 | 0.230 | 0.507 | 0.147 | 0.234 | 0.520 | 0.150 |
NSi-A5-Cl1.8 | 3.734 | 0.235 | 1.057 | 0.283 | 0.238 | 0.927 | 0.248 |
OPC-0.36-Cl1.8 | 3.777 | 0.200 | 0.921 | 0.244 | 0.204 | 0.836 | 0.221 |