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Quantitative risk analysis of oil storage facilities in seismic areas

Fabbrocino, G., Iervolino, I., Orlando, F., Salzano, E.

Journal of Hazardous Materials

Cilt: 123, Sayı: 1-3, 61-69, 2005/08/31

Quantitative risk analysis (QRA) of industrial facilities has to take into account multiple hazards threatening critical equipment. Nevertheless, engineering procedures able to evaluate quantitatively the effect of seismic action are not well established. Indeed, relevant industrial accidents may be triggered by loss of containment following ground shaking or other relevant natural hazards, either directly or through cascade effects ('domino effects').
The issue of integrating structural seismic risk into quantitative probabilistic seismic risk analysis (QpsRA) is addressed in this paper by a representative study case regarding an oil storage plant with a number of atmospheric steel tanks containing flammable substances. Empirical seismic fragility curves and probit functions, properly defined both for building-like and non building-like industrial components, have been crossed with outcomes of probabilistic seismic hazard analysis (PSHA) for a test site located in south Italy. Once the seismic failure probabilities have been quantified, consequence analysis has been performed for those events which may be triggered by the loss of containment following seismic action. Results are combined by means of a specific developed code in terms of local risk contour plots, i.e. the contour line for the probability of fatal injures at any point (x, y) in the analysed area. Finally, a comparison with QRA obtained by considering only process-related top events is reported for reference.

Anahtar Kelimeler: Earthquake; Seismic risk; Industrial risk; Quantitative risk analysis; Multi-hazard

Elsevier B. V.

DOI: doi:10.1016/j.jhazmat.2005.04.01

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1.Bilimsel Çalışmalar » Risk Analizi ve Değerlendirmesi
2.Doğal Afetler » Deprem
3.Endüstri » Endüstriyel Tesisler
4.Doğal Afetlerin Neden Olduğu Teknolojik Kazalar

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