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Design and Manufacture OF GRP Liners and Their Installation


Materials and their Characteristics

Plastic Pipes Conference Association # 1982 York


Deterioration of the sewers in our cities has produced an urgent requirement for a technically satisfactory cost-effective means of renovating or upgrading existing underground services. One of the most successful methods available is the insertion of a preformed liner into the pipeline with the annular gap being filled with a suitable material. GRP liners with their combined properties of light weight and high strength with good flow properties and corrosion resistance are eminently suitable for this purpose. Details are given of manufacture and installation and design methods are discussed.

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