Destructive Analysis-Based Testing for Cured-in-Place Pipe

Hani Alzraiee, Ibrahim Bakry, Tarek Zayed

Research output: Journal article publicationJournal articleAcademic researchpeer-review

11 Citations (Scopus)


Trenchless rehabilitation techniques such as cured-in-place pipe (CIPP) had been adopted by many municipalities in the province of Quebec to renew their aging sewer systems. Currently CIPP represents the largest market share of the utilized trenchless rehabilitation techniques in the province of Quebec. Considerable funding is being directed towards sewer systems rehabilitation projects. However, there have been little studies on the performance of the rehabilitated sewers, expected life of the liner, and its structural properties. Therefore, in an effort to address this shortcoming, this paper presents the outcome of a destructive testing protocol conducted on liners samples extracted from sewers rehabilitated using CIPP. Samples used in the testing process were collected from two locations in the sewer network that were rehabilitated over 1 decade ago. Testing the liner included examining the physical properties (e.g., thickness, annular gap, and so on), flexural properties, and tensile properties. The results demonstrate excellent current structural properties and strongly indicate that the liner will meet the anticipated lifetime. Deterioration of liner is expected to take place at a low rate. This conclusion remains valid as long as the current factors influencing structural properties do not change drastically over time.
Original languageEnglish
Article number04014095
JournalJournal of Performance of Constructed Facilities
Issue number4
Publication statusPublished - 1 Aug 2015
Externally publishedYes


  • Cured-in-place pipe (CIPP)
  • Destructive tests
  • Rehabilitation
  • Sewer systems
  • Trenchless

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Safety, Risk, Reliability and Quality


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