Investigation into the process of cured-in-place pipe sewer rehabilitation
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Sewer networks affect the entire world with the ability to bring clean streets to cities which may otherwise be completely disease-ridden. Ageing sewer networks present a problem, but new technologies are paving the way for rehabilitation. Trenchless repair options such as CIPP (cured-in-place pipe) liners are one such option. This paper aims to evaluate the full process that precedes and proceeds the installation of a CIPP liner for the rehabilitation of a defective sewer with the aim of finding potential solutions to the current concerns and to streamline the full CIPP method. Further inspection was conducted into the testing practises for CIPP liners to see any fundamental failures and their impact on failure behaviours. Primarily thickness, flexural strength testing and electron microscopy imaging has been carried out with results showing a large range of differences between samples in all aspects of testing. The focus for improvement based off analysis of the testing leans toward creation of a data management tool which would make all sewer pipe data accessible from one source, helping streamline processes and ensuring the features of the pipe were up to-date alongside documenting and recording any work that has been completed.
Mitchell, M. (2020) ‘Investigation into the process of cured-in-place pipe sewer rehabilitation’, The Plymouth Student Scientist, 13(1), p. 290-327.