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A spatial and temporal analysis for long term renewal of water pipes

Abstract : Drinking Water distribution systems as well as other technical networks represent an important accounting. Managing these networks aims to sustain people's access to drinking water quality and quantity according to a satisfactory level of service. Water networks are an assembly of technical devices, most of them are buried. This makes their diagnosis more difficult and requires the implementation of a policy, known by "asset management". This requires planned actions in the short, medium and long term. It aims to describe the state of the asset by developing specific tools in a first time and plan the actions needed to maintain its state in a second phase. This current research deals with the problematic of establishing priorities for pipes that should be selected for rehabilitation. The developed approach is based on the discrimination of vulnerable pipes by a spatial and temporal analysis starting from a simple idea: the diagnosis is often unaware dimensions: topology and evolution of failures pattern. Thus, detailed approach provides a holistic vision of the network by identifying areas with high failures, called "hotspots" and their evolution over time. Therefore, this research allows a visual representation using the network topology; such representation provides a resolution of the network and can be used to evaluate, a priori, the effectiveness of the rehabilitation policies according to their incidence on hotspots' reducing.
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https://hal-enpc.archives-ouvertes.fr/hal-00712124
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Submitted on : Tuesday, June 26, 2012 - 2:54:56 PM
Last modification on : Wednesday, May 24, 2017 - 1:02:49 AM
Long-term archiving on: : Thursday, September 27, 2012 - 2:41:30 AM

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  • HAL Id : hal-00712124, version 1

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Youssef Tlili, Amir Nafi, Umberto Fratino. A spatial and temporal analysis for long term renewal of water pipes. 12th edition of the World Wide Workshop for Young Environmental Scientists (WWW-YES-2012) - Urban waters: resource or risks?, May 2012, Arcueil, France. ⟨hal-00712124⟩

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