Multicriteria assessment of optimal design, rehabilitation and upgrading schemes for water distribution networks

Tiku T. Tanyimboh, P. Kalungi

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The application of the analytic hierarchy process (AHP) to help select the best option for the long-term design and upgrading of a water distribution network is described and applied to a real-world network. The main criteria used are: reliability-based network performance; present value of construction, upgrading, failure, and repair costs; and social and environmental issues. The AHP is a versatile and robust tool that can handle both qualitative and quantitative data, based on a simple method of pair-wise comparisons. It has been applied elsewhere on various problems, but not on the long-term design and upgrading of water distribution networks. Herein, the pipes are sized to carry maximum entropy flows using linear programming, while the best upgrading sequence is identified using dynamic programming. The upgrading options considered include pipe replacement and/or paralleling. The time-dependent deterioration of the hydraulic capacity and structural integrity are also accounted for.
LanguageEnglish
Pages117-140
Number of pages23
JournalCivil Engineering and Environmental Systems
Volume26
Issue number2
DOIs
Publication statusPublished - Jun 2009

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Analytic hierarchy process
Electric power distribution
Patient rehabilitation
Pipe
Structural integrity
Network performance
Dynamic programming
Linear programming
Deterioration
Water
Repair
Entropy
Hydraulics
Costs
Optimal design

Keywords

  • analytic hierarchy process
  • water distribution system
  • demand management reliability
  • maximum entropy flows
  • design optimisation

Cite this

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Multicriteria assessment of optimal design, rehabilitation and upgrading schemes for water distribution networks. / Tanyimboh, Tiku T.; Kalungi, P.

In: Civil Engineering and Environmental Systems, Vol. 26, No. 2, 06.2009, p. 117-140.

Research output: Contribution to journalArticle

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