Research Article
A New Formulation on Seismic Risk Assessment for Reinforced Concrete Structures with Both Random and Bounded Uncertainties
Table 5
Results with different values of N2 by different methods.
| N2 | Numerical method | Failure probabilities in 50 years under four levels | Function calls | Relative erro | NO level | IO level | LS level | CP level |
| N2=3 | MCS | 5.67% | 1.03% | 0.098% | 0.0424% | | - | ALK-MGHAR | 5.652% | 1.026% | 0.0976% | 0.0423% | 68 | 0.338% | MPM | 4.145% | 0.763% | 0.0749% | 0.0329% | 327 | 22.34% | SLI | 4.347% | 0.806% | 0.0758% | 0.0331% | 161 | 22.03% |
| N2=6 | MCS | 3.27% | 0.71% | 0.080% | 0.0290% | | - | ALK-MGHAR | 3.259% | 0.708% | 0.0797% | 0.0288% | 73 | 0.359% | MPM | 2.613% | 0.559% | 0.0623% | 0.0226% | 328 | 22.17% | SLI | 2.577% | 0.546% | 0.0624% | 0.0223% | 165 | 22.99% |
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: calculated relative error under CP level. |