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Cost-based resilience assessment of bridges subjected to earthquakes

Argyroudis, SA, Nasiopoulos, G, Mantadakis, N and Mitoulis, SA (2020) Cost-based resilience assessment of bridges subjected to earthquakes International Journal of Disaster Resilience in the Built Environment.

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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 utilising 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 modelling 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 alternative approaches for expressing the restoration strategies are examined and assessed. The results facilitate owners to enhance cost-based resilience management toward more resilient infrastructure.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
NameEmailORCID
Argyroudis, SAs.argyroudis@surrey.ac.uk
Nasiopoulos, G
Mantadakis, N
Mitoulis, SAs.mitoulis@surrey.ac.uk
Date : 2020
Copyright Disclaimer : Copyright © 2020, Emerald Publishing Limited
Uncontrolled Keywords : Bidges; Resilience; Earthquakes; Vulnerability; Restoration; Direct and indirect losses; Transport networks
Related URLs :
Depositing User : Clive Harris
Date Deposited : 19 Aug 2020 17:56
Last Modified : 19 Aug 2020 17:56
URI: http://epubs.surrey.ac.uk/id/eprint/858446

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