Publication Date:
2020-11-18
Description:
An engineering risk-based methodology for stress testing critical infrastructures is introduced and applied to the
port of Thessaloniki in Greece exposed to seismic, geotechnical and tsunami hazards. The methodology workflow
consists of four phases: Pre-Assessment, Assessment, Decision and Report phase. In the pre-assessment phase, all
the necessary information is collected and archived. For the pilot study, the inventory includes the main port
components namely buildings, waterfronts, cranes and the electric power system. Generic or site-specific fra-
gility models are used for all exposed elements and considered hazards. Risk metrics and objectives are defined
related to the functionality of the system and the structural losses. In the first level of the assessment phase, the
performance of each component is evaluated using a risk-based approach. Then, a system level probabilistic risk
analysis is conducted separately for earthquake and tsunami hazards. A complementary scenario-based risk
analysis is carried out aiming to investigate the impact of site-specific response and extreme seismic events to the
performance of the port. In the Decision phase, the results are compared with predefined objectives to decide
whether the infrastructure passes, partly passes or fails the test. Guidelines and strategies to improve the per-
formance and resilience of the port are summarized.
Description:
Published
Description:
240-257
Description:
5T. Sismologia, geofisica e geologia per l'ingegneria sismica
Description:
6T. Studi di pericolosità sismica e da maremoto
Description:
JCR Journal
Repository Name:
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
Type:
article
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