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.

N2Numerical method Failure probabilities in 50 years under four levelsFunction callsRelative erro
NO levelIO levelLS levelCP level

N2=3MCS5.67%1.03%0.098%0.0424%-
ALK-MGHAR5.652%1.026%0.0976%0.0423%680.338%
MPM4.145%0.763%0.0749%0.0329%32722.34%
SLI4.347%0.806%0.0758%0.0331%16122.03%

N2=6MCS3.27%0.71%0.080%0.0290%-
ALK-MGHAR3.259%0.708%0.0797%0.0288%730.359%
MPM2.613%0.559%0.0623%0.0226%32822.17%
SLI2.577%0.546%0.0624%0.0223%16522.99%

: calculated relative error under CP level.