Accounting for Phasing of Construction within the Design of Water Distribution Networks
Publication: Journal of Water Resources Planning and Management
Volume 140, Issue 5
Abstract
The traditional optimization approach for water distribution mains is that of considering a single design scenario with prefixed nodal demands representing the peak values at the end of the life cycle of the construction. Instead, this paper presents a different approach for the design of water distribution mains aimed at considering the phasing of construction. It makes it possible to identify, on prefixed time steps or intervals (for instance 25 years), the upgrade of the construction rendering the network able to satisfy, during the expected life of the system, growing nodal demands related to the increment in the population served. To show the benefits of this approach in comparison to using a single design flow, an optimization methodology, aimed at introducing new pipes in the network as needed at each time step, was set up and applied to a simple case study, where two different scenarios were considered concerning the growth of the network. Results showed that this approach is able to yield better results when compared with the single flow design, because it enables short-term construction upgrades to be performed while keeping a vision of the expected long term network growth.
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Acknowledgments
This study was carried out as part of the MIUR-PRIN 2012 by the title of “Tools and procedures for an advanced and sustainable management of water distribution systems” and under the framework of Terra&Acqua Tech Laboratory, Axis I activity 1.1 of the POR FESR 2007–2013 project funded by Emilia-Romagna Regional Council, Italy (http://fesr.regione.emilia-romagna.it/allegati/comunicazione/la-brochure-dei-tecnopoli).
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Information & Authors
Information
Published In
Journal of Water Resources Planning and Management
Volume 140 • Issue 5 • May 2014
Pages: 598 - 606
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Jul 19, 2012
Accepted: Feb 6, 2013
Published online: Feb 9, 2013
Discussion open until: Jul 9, 2013
Published in print: May 1, 2014
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