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http://hdl.handle.net/10397/81639
Title: | A new metric for assessing resilience of water distribution networks | Authors: | Assad, A Moselhi, O Zayed, T |
Issue Date: | 2019 | Source: | Water (Switzerland), Aug. 2019, v. 11, no. 8, 1701, p. 1-31 | Abstract: | Water distribution networks (WDNs) face various types of hazards during their extended life. Ensuring proper functioning of WDNs has always been a major concern for utility managers because of their impact on public health and safety. Resilience is an emerging concept that aims at maintaining functionality of the WDNs. Most of the previously developed resilience frameworks employed simulation methods to assess resilience of the WDNs, focusing only on the specific aspects of resilience. There is a need to develop a holistic approach to evaluate the resilience of WDNs considering various dimensions of resilience. This paper presents a new multi-attribute resilience metric based on the robustness and redundancy of the WDNs, which can be used to achieve the purpose. The developed metric is used to evaluate the resilience of a WDN in the city of London, Ontario. An optimization framework for enhancing the current resilience level is also presented. Resilience of the network is found to increase around 20% with a $500,000 investment. A hazard scenario is then analyzed to illustrate the practicality of using this metric in selecting effective restoration strategies. The proposed metric can be utilized by water agencies to evaluate and enhance the resilience of WDNs, as well as to optimize the recovery process after disruptive events. | Keywords: | Resilience Water distribution networks Critical infrastructure Multi-attribute metric |
Publisher: | Molecular Diversity Preservation International (MDPI) | Journal: | Water (Switzerland) | EISSN: | 2073-4441 | DOI: | 10.3390/w11081701 | Rights: | © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). The following publication Assad, A.; Moselhi, O.; Zayed, T. A New Metric for Assessing Resilience of Water Distribution Networks. Water 2019, 11, 1701, 1-31 is available at https://dx.doi.org/10.3390/w11081701 |
Appears in Collections: | Journal/Magazine Article |
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