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Journal Articles (Review Article) Urban Water Journal Year : 2019

Sewer asset management – state of the art and research needs

Mehdi Ahmadi
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Yves Le Gat
Ingo Kropp
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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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hal-02895362 , version 1 (09-07-2020)


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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, 2019, 16 (9), pp.662-675. ⟨10.1080/1573062X.2020.1713382⟩. ⟨hal-02895362⟩
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