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Sewer asset management – state of the art and research needs

Franz Tscheikner-Gratl 1 Nicolas Caradot 2 Frédéric Cherqui 3, 4 Joao P. Leitão 5 Mehdi Ahmadi 6 Jeroen G. Langeveld 7, 8 Yves Le Gat 9 Lisa Scholten 7 Bardia Roghani 10 Juan Pablo Rodríguez 11 Mathieu Lepot 7 Bram Stegeman 7 Anna Heinrichsen 12 Ingo Kropp 13 Karsten Kerres 14 Maria Do Céu Almeida 15 Peter Bach 5, 16, 17 Matthew Moy de Vitry 5, 16 Alfeu Sa Marques 18 Nuno Eduardo Simões 18 Pascale Rouault 2 Nathalie Hernandez 19 Andres Torres 19 Caty Werey 20 Bénédicte Rulleau 9 Francois Clemens 7
Abstract : Sewer asset management gained momentum and importance in recent years due to economic considerations, since infrastructure maintenance and rehabilitation directly represent major investments. Because physical urban water infrastructure has life expectancies of up to 100 years or more, contemporary urban drainage systems are strongly influenced by historical decisions and implementations. The current decisions taken in sewer asset management will, therefore, have a long-lasting impact on the functionality and quality of future services provided by these networks. These decisions can be supported by different approaches ranging from various inspection techniques, deterioration models to assess the probability of failure or the technical service life, to sophisticated decision support systems crossing boundaries to other urban infrastructure. This paper presents the state of the art in sewer asset management in its manifold facets spanning a wide field of research and highlights existing research gaps while giving an outlook on future developments and research areas.
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Submitted on : Thursday, July 9, 2020 - 4:17:09 PM
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Franz Tscheikner-Gratl, Nicolas Caradot, Frédéric Cherqui, Joao P. Leitão, Mehdi Ahmadi, et al.. Sewer asset management – state of the art and research needs. Urban Water Journal, Taylor & Francis, 2019, 16 (9), pp.662-675. ⟨10.1080/1573062X.2020.1713382⟩. ⟨hal-02895362⟩

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