Determining pipe groupings for water distribution networks

Keshaw N. Mallick, Iftekhar Ahmed, Kevin S. Tickle, Kevin E. Lansey

Research output: Contribution to journalArticlepeer-review

59 Scopus citations


Mathematical modeling of a water distribution system allows comparisons between design and operation alternatives. However, to make meaningful comparisons, the true field system must be represented within the model. Water distribution systems contain a large number of pipes with unknown roughness coefficients. Even with an extensive data collection effort, pipe roughnesses for all links cannot be determined exactly. Therefore, the system is simplified by assuming sets of pipes have the same roughness coefficient. The impacts of such simplification have not been examined in a quantitative manner. This work develops a methodology to quantify impacts introduced by system simplification and identify the best number of pipe groupings for a network.

Original languageEnglish (US)
Pages (from-to)130-139
Number of pages10
JournalJournal of Water Resources Planning and Management
Issue number2
StatePublished - Mar 2002


  • Grouting
  • Mathematical models
  • Pipes
  • Water distribution

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geography, Planning and Development
  • Water Science and Technology
  • Management, Monitoring, Policy and Law


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