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- W2256358974 abstract "In a modern performance-based earthquake engineering (PBEE) design framework, component fragilityfunctions are used to relate parameters of structural response to damage. Since common structuralresponse parameters are coupled to structural member properties, the usage of fragility functions indamage analysis after performing the structural analysis is inconsistent. The errors arising from suchinconsistency do not seem to have been addressed previously. In the present study, we investigate thisissue by comparing the results of damage estimation performed by three different methods. The firstmethod, considered to be the most accurate, represents a coupled structural and damage analysis andutilizes randomized structural properties in the simulations for both the dynamic structural analysis andthe damage analysis. The second, uncoupled, method samples the randomized structural properties twiceduring dynamic simulations, once for structural analysis and once for damage estimation. The thirdmethod is analogous to the second method but it uses a deterministic structural model for the dynamicsimulation and uncertain structural properties for the damage analysis. Comparison of the results for areinforced-concrete frame shows that relative to the first method, the second method provides reasonableestimates of the expected values and variances of the damage, while the third method underestimates thedamage uncertainty. The variance estimated by a common approach based on a deterministic load anddeterministic structure complemented by a probabilistic damage analysis is much less than the varianceestimated by the first method." @default.
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- W2256358974 date "2004-08-01" @default.
- W2256358974 modified "2023-09-25" @default.
- W2256358974 title "Comparative Study of Different Methods of Structural Damage Assessment" @default.
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- W2256358974 hasPublicationYear "2004" @default.
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