Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 506097
Title Pipe replacement in a water supply network: coordinated versus uncoordinated replacement and budget effects
Author(s) Dijk, D. van; Hendrix, E.M.T.
Source Informatica 27 (2016)2. - ISSN 0868-4952 - p. 387 - 403.
DOI http://dx.doi.org/10.15388/Informatica.2016.91
Department(s) Operations Research and Logistics
WASS
Publication type Refereed Article in a scientific journal
Publication year 2016
Abstract Operators of underground water supply networks are challenged with pipe replacement
decisions, because pipes are subject to increased failure rates as they age and financial resources
are often limited.We study the optimal replacement time and optimal number of pipe replacements
such that the expected failure cost and replacement cost are minimized, while satisfying a budget
constraint and incorporating uncoordinated and coordinated replacement. Results show that coordinated
replacement is economically preferred to uncoordinated replacement. It depends on the size
of the budget whether the increase in the number of pipe replacements is sufficient to reduce the
total expected failure cost.
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