2018
DOI: 10.3390/w10020136
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Identifying Critical Elements in Sewer Networks Using Graph-Theory

Abstract: Underground water infrastructure is essential for life in cities. The aging of these infrastructures requires maintenance strategies to maintain a minimum service level. Not all elements are equally important for the functioning of the infrastructure as a whole. Identifying the most critical elements in a network is crucial for formulating asset management strategies. The graph theory is presented as a means to identify the most critical elements in a network with respect to malfunctioning of the system as a w… Show more

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Cited by 36 publications
(34 citation statements)
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“…The GTM was originally developed for sewer networks (Meijer et al, 2018). This study illustrates that the GTM is also applicable to WDNs.…”
Section: Discussionmentioning
confidence: 92%
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“…The GTM was originally developed for sewer networks (Meijer et al, 2018). This study illustrates that the GTM is also applicable to WDNs.…”
Section: Discussionmentioning
confidence: 92%
“…The priority of drinking water pipes is based on 'estimating the discharged water due to transmission mains failure for certain failure modes depending on the pipe material' (Friedl et al, 2012;Fuchs-Hanusch, M€ oderl, Sitzenfrei, Friedl, & Muschalla, 2014). Meijer et al (2018) present the Graph Theory Method (GTM), a methodology to rank elements of sewer systems based on the minimum distance from every manhole to an outflow structure. Graph theory is a mathematical theory and is widely used in, for example, vehicle route problems and optimization of flow problems.…”
Section: Introductionmentioning
confidence: 99%
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“…If the importance of an element for the total network is known, maintenance can be adjusted accordingly instead of maintaining all elements to the same quality level. Methods to determine the importance of individual elements in relation to the total network are described in Arthur et al [35], Arthur and Crow [36], Mair et al [37], Möderl et al [38], Möderl and Rauch [39], and Meijer et al [40]. When the critical elements are known, hydraulic properties of the sewer system at these locations can be monitored to safeguard performance [20].…”
Section: Discussionmentioning
confidence: 99%
“…On the other hand, studies related to graphtheory based analysis of Urban Drainage Networks (UDNs) have focused mainly on the evolution and topological characteristics of both virtual (Ghosh et al 2006;Möderl et al 2009;Urich et al 2010) and real sewer systems (Zischg et al 2017;Krueger et al 2017), and on the application of graph-theory based methodologies for determining critical elements in the network (e.g. Meijer et al 2018). Nevertheless, advantages, limitations and insights on the UDNs' physical characteristics and dynamics that can be derived from the application of complex network analysis are still not fully understood.…”
Section: Introductionmentioning
confidence: 99%