Journal article Open Access

Toolkit for resilience assessment of critical infrastructures to earthquake induced soil liquefaction disasters

Mariantonietta Morga,; Keith Jones

The critical infrastructure resilience depends on several factors that go beyond the physical
reliability and capacity to repair the system after a disruption. The overall critical infrastructure
resilience includes aspects related to the social and economic backbone governing its capacity to
deliver its service. This contribution presents a theoretical toolkit to calculate the overall resilience
of critical infrastructures developed within the European project LIQUEFACT for earthquakeinduced
soil liquefaction disasters. The toolkit combine several aspects organized in three
dimensions: organizational and management, the physical or technical system and operational
capacity to deliver the service. The toolkit clearly defines also resilience aspects, such as
preparedness, absorption, recovery and adaptation. For each dimension and aspect of the resilience
several indicators are developed. A critical and technical explanation of each indicator is here
proposed, as well a systematic methodology to combine them in the resilience toolkit. The novelty
of this study is the systematic analysis of dimensions, aspects and indicators that made the proposed
resilience toolkit original. The study is concluded with analyses of feasibility of the toolkit to natural
disasters and applicability to localized disasters, such as earthquake-induced soil liquefaction
events. Finally, the key factors of toolkit influencing a built asset model of critical infrastructures are
identified.

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