Table 1 Probability distribution parameters of the structure random variables.
Parameters | Probability Distribution | Mean | Standard deviation | Unit | Refs. |
|---|---|---|---|---|---|
Random variables of concrete compressive strength | |||||
\(\:{f}_{c,core}\) | Lognormal | 25 | 2.50 | MPa | |
\(\:{f}_{c,cover}\) | Lognormal | 25 | 2.50 | MPa | |
Random variables of steel rebar | |||||
\(\:{f}_{y}\) | Lognormal | 400 | 20 | MPa | |
\(\:{\varepsilon}_{su}\) | Lognormal | 0.15 | 0.0225 | ||
\(\:{d}_{b}\) | Lognormal | 28 | 1.40 | mm | |
\(\:{d}_{v}\) | Lognormal | 10 | 0.5 | mm | |
Random variables of the corrosion initiation model | |||||
\({D}_{ref}\) | |||||
w/c = 0.4 | Normal | 179 | 17.90 | \({\text{mm}}^{2}/\text{year}\) | |
w/c = 0.5 | Normal | 296 | 29.60 | \({\text{mm}}^{2}/\text{year}\) | |
\({C}_{cr}\) | |||||
0.4 = w/c | Normal | 0.80 | 0.08 | (mass% of binder) | |
0.5 = w/c | Normal | 0.90 | 0.09 | (mass% of binder) | |
\(\:{A}_{cs}\) | Normal | 3.286 | 0.456 | (mass% of binder) | |
\(\:{\varepsilon}_{cs}\) | Normal | 0 | 0.384 | (mass% of binder) | |
\(\:{w}_{cr}\) | Normal | 0.30 | 0.03 | mm | |
