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Cost-based resilience assessment of bridges subjected to earthquakes

Sotirios A. Argyroudis (Department of Civil Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece and Department of Civil and Environmental Engineering, University of Surrey, Guildford, UK)
Giorgos Nasiopoulos (Department of Civil Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece)
Nikolaos Mantadakis (Department of Civil Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece)
Stergios Aristoteles Mitoulis (Department of Civil and Environmental Engineering, University of Surrey, Guildford, UK)

International Journal of Disaster Resilience in the Built Environment

ISSN: 1759-5908

Article publication date: 22 September 2020

Issue publication date: 15 March 2021

Abstract

Purpose

Transport infrastructure resilience is of paramount importance for societies, therefore its quantification is urgently needed. A resilience assessment framework based on well-informed resilience indices is presented and applied for assessing the resilience of representative bridges exposed to earthquakes.

Design/methodology/approach

The framework quantifies the robustness of bridges against different seismic hazard scenarios, by using realistic fragility functions and the rapidity of the recovery and/or retrofitting after the occurrence of a certain degree of damage, based on realistic restoration functions.

Findings

Two different approaches for the modeling of the restoration tasks are examined. Both direct losses due to structural damage and indirect losses due to traffic disruption are estimated.

Originality/value

A new cost-based resilience index is introduced and alternate approaches for expressing the restoration strategies are examined and assessed. The results facilitate owners to enhance cost-based resilience management toward more resilient infrastructure.

Keywords

Acknowledgements

Dr Sotirios A. Argyroudis would like to acknowledge the support of the European Commission under the H2020-Marie Skłodowska-Curie Research Grants Scheme MSCA-IF-2016 (grant agreement No 746298: TRANSRISK – Vulnerability and risk assessment of transportation systems of assets exposed to geo-hazards).

Citation

Argyroudis, S.A., Nasiopoulos, G., Mantadakis, N. and Mitoulis, S.A. (2021), "Cost-based resilience assessment of bridges subjected to earthquakes", International Journal of Disaster Resilience in the Built Environment, Vol. 12 No. 2, pp. 209-222. https://doi.org/10.1108/IJDRBE-02-2020-0014

Publisher

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Emerald Publishing Limited

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