Resilience assessment of urban connected infrastructure networks.

Sci Rep

School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, 330013, China.

Published: June 2025


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Article Abstract

With the development of society, infrastructures have not only expanded in size, but have also formed complex dependencies among themselves, constituting closely interconnected network systems. At present, it has become a global consensus to enhance the resilience of infrastructure networks. In order to deeply understand how the interconnections among urban infrastructure systems affect the resilience performance of cities, this study adopts a combination of theoretical discussions and Python simulation techniques to systematically analyze the resilience dynamics of urban connected infrastructure networks when they encounter external perturbations. First, based on the principle of resilience construction and the multilayer network theoretical framework, we constructed a linkage model of the urban infrastructure network. Subsequently, focusing on the functional linkage perspective, we simulate the cascading failure mechanism of the network under three different external shocks, and construct a resilience assessment model for the urban infrastructure network with the help of the curve method of infrastructure system performance assessment. Finally, an empirical study is conducted with a county in Jiangxi Province as a specific case.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12141532PMC
http://dx.doi.org/10.1038/s41598-025-03730-0DOI Listing

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