Results show that a small number of failed infrastructure components can trigger high level failures in interdependent systems the optimal joint restoration strategy varies with failure occurrence time. The utility of the model is illustrated using a case study of electric-water systems. Second, an optimization model for determining an optimal joint restoration strategy at infrastructure component level by minimizing the economic loss from the infrastructure failures, is proposed. Both models are considering the failure types, infrastructure operating rules and interdependencies among systems. ![]() First, models for (i) describing structure of interdependent infrastructure system and (ii) their interaction process, are presented. To effectively respond to infrastructure failures, this paper proposes a model for developing optimal joint restoration strategy for interdependent infrastructure systems following a disruptive event. ![]() Life in the modern world depends on multiple critical services provided by infrastructure systems which are interdependent at multiple levels. Modeling joint restoration strategies for interdependent infrastructure systems
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