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Emerging Pipe-Lining Technologies in Sweden: Environmental and Quality Aspects
KTH, School of Architecture and the Built Environment (ABE).ORCID iD: 0000-0002-6090-0612
2020 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Due to the immense need for repair created by aging and deteriorating sewer infrastructures, a range of innovative rehabilitation technologies have been emerging in this field, both within Sweden and worldwide. However, although these technologies may fulfil their intended purpose in terms of prolonging the service life of the pipelines, the fact that a number of associated questions remain unanswered is hindering further progress in the field. This paper includes partial results of a study, dedicated to evaluation and assessment of the rehabilitation technologies and materials which are commonly used for renewal of sewer systems in Sweden. The approaches examined include cured-in-place pipe and internal coating lining based on epoxy and polyester resins. The results of environmental assessment and quality evaluation reveal that pipe linings can have a significantly lower environmental effect if they are: 1) chosen based on extended knowledge of different renovation technologies and the condition of the line to be repaired, and 2) installed via a rigorous process in which a high level of monitoring quality is adhered to in each step of the rehabilitation work. Accordingly, a series of recommendations are provided for consideration in the context of decision-making processes regarding renovation techniques and when preparing detailed quality control procedures. 

Place, publisher, year, edition, pages
2020.
National Category
Water Engineering Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-263003OAI: oai:DiVA.org:kth-263003DiVA, id: diva2:1365856
Conference
North American Society for Trenchless Technology (NASTT) NASTT No-Dig 2020
Note

QCR 20191209

Available from: 2019-10-25 Created: 2019-10-25 Last updated: 2019-12-09Bibliographically approved

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Kharazmi, Parastou
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