Seismic fragility assessment of building-type structures in oil refineries

A. K. Kazantzi*, N. D. Karaferis, V. E. Melissianos, K. Bakalis, D. Vamvatsikos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A seismic fragility assessment methodology is presented for equipment-supporting reinforced concrete and steel buildings that are typically encountered in oil refineries. Using a suite of hazard-consistent ground motions and reduced-order models, incremental dynamic analysis is performed to obtain the seismic demand of the structural systems examined. Appropriate drift- and floor acceleration-sensitive failure modes are considered to define the limit state capacities of the supporting structure and the nested non-structural process equipment. Special care is exercised on the demand and capacity representation of structural and non-structural components, offering a transparent roadmap for undertaking analytical fragility assessment for equipment-supporting buildings typical to an oil refinery. The findings and the proposed methodology can be exploited by designers and facility managers for mitigating the risk of failure prior to the occurrence of an earthquake event, for designing the pertinent structures and their non-structural components by means of a risk-aware performance-based methodology, or as feed data in early warning systems.
Original languageEnglish
Pages (from-to)6853–6876
Number of pages24
JournalBulletin of Earthquake Engineering
Volume20
Early online date1 Aug 2022
DOIs
Publication statusPublished - Sept 2022

Bibliographical note

Funding:
This research has been co-financed by the European Union through the Horizon 2020 research and innovation programmes “INFRASTRESS–Improving resilience of sensitive industrial plants & infrastructures exposed to cyber-physical threats, by means of an open testbed stress-testing system” under Grant Agreement No. 833088, and “HYPERION–Development of a decision support system for improved resilience & sustainable reconstruction of historic areas to cope with climate change & extreme events based on novel sensors and modelling tools” under Grant Agreement No. 821054.

Keywords

  • Oil refinery
  • Critical infrastructure
  • Seismic fragility
  • Buildings

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