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REFERENCES
concluded that indeed there is an influence,
pointing to the use of an analysis as accu-
rate as possible, or a careful evaluation of a
model error to be used in conjunction with
the approximate approach. This is contrary
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•
Sometimes it is proposed that reliabil-
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should split the capacity from the hazard
demand. Thus, in this alternate approach,
the total probability of non-performance
would be obtained by integrating the vul-
nerability, or probability of non-perfor-
mance conditional on a hazard level, with
the probability density for the hazard. This
approach has not been considered in this
Chapter because different vulnerabilities
would have to be calculated each time that
the design parameters are changed during
the optimization process, with no savings
in computational effort when compared to
the approach proposed in this chapter.
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ACKNOWLEDGMENT
This work was supported by grants from the
Research Proyect “Diseño y optimización de
estructuras bajo acciones dinámicas aleatorias”,
1ING 300, Universidad Nacional de Rosario, Ar-
gentina, and “Neural networks for reliability and
performance-based design in earthquake engineer-
ing”, Natural Sciences and Engineering Research
Council of Canada: RGPIN 5882-04, University
of British Columbia, Vancouver, Canada.
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Microzonificación Sísmica del
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