Research Article
An Automated Procedure for Assessing Local Reliability Index and Life-Cycle Cost of Alternative Girder Bridge Design Solutions
Table 1
Random variables used in the case study.
| No. | Variable | Symbol | Mean value | CoV |
| 1 | Steel bar yield strength | | 570 MPa | 0.052 | 2 | Steel bar area | | Nominal value | 0.020 | 3 | Steel girder yield strength | | 381.26 MPa | 0.070 | 4 | Deviation from concrete cover measure | | 1 cm | 1.000 | 5 | Concrete compression strength | | 36.55 MPa | 0.180 | 6 | Internal forces due to deck self-weight | , | Nominal values | 0.010 | 7 | Internal forces due to deck dead loads | , | Nominal values | 0.025 | 8 | Internal forces due to deck traffic loads | , | Nominal values | 0.200 | 9 | Internal forces due to girder self-weight | , , | Nominal value | 0.080 | 10 | Internal forces due to girder dead loads | , , | Nominal value | 0.025 | 11 | Internal forces and deflection due to global traffic loads | , , , | Nominal values | 0.200 | 12 | Internal forces and deflection due to wind | , , , | Nominal values | 0.200 | 13 | Internal forces and deflection due to thermal action | , , | Nominal values | 0.200 |
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