Mixed probabilistic seismic demand models for fragility assessment

Chatzidaki, Akrivi; Vamvatsikos, Dimitrios

doi:10.1007/s10518-021-01163-4

Cited by 7 publications

(1 citation statement)

References 39 publications

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“…The process of deriving analytical fragility curves is well-documented in the international literature (e.g. Dymiotis et al 1999;Kwon and Elnashai 2006;Kazantzi et al 2011;Baker 2015;Silva et al 2014Silva et al , 2019Chatzidaki and Vamvatsikos 2021). Seismic fragility is a function of the 𝐼𝑀 and can be expressed as:…”

Section: Fragility Analysismentioning

confidence: 99%

Seismic fragility assessment of high-rise stacks in oil refineries

Karaferis

Kazantzi²,

Melissianos

et al. 2022

Bull Earthquake Eng

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The seismic fragility is assessed for typical high-rise stacks encountered in oil refineries, namely process towers, chimneys, and flares. Models of varying complexity were developed for the structures of interest, attempting to balance computational complexity and accuracy regarding the structural dynamic and strength properties. The models were utilized along with a set of hazard-consistent ground motions for evaluating the seismic demands through incremental dynamic analysis.Demand/capacity-related uncertainties were explicitly accounted for in the proposed framework. Damage states were defined for each of the examined structure considering characteristic serviceability and ultimate limit states. Τhe proposed resource-efficient roadmap for the analytical seismic fragility assessment of typical high-rise stacks, as well as the findings of the presented research work are available to be exploited in seismic risk assessment studies of oil refineries.

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