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UDC 621.644

Ishmuratov R. R., Stepanov V. D., Orlov V. А.

The experience of applying trenchless spiral wound technology of pipeline rehabilitation at the Moscow projects

Summary

The specific features of the advanced spiral wound technology of trenchless rehabilitation of water and sewage pipelines based on the use of PUF coating that forms a new pipe inside the old one are presented. The operation sequence during the implementation of separate modifications of this technology (with and without filling pipe space) is stated by the example of a 420 mm diameter sewer section rehabilitation. The projects of rehabilitating old municipal and storm water sewers of different diameters and length by using trenchless spiral wound technology are presented.

Key words

pipeline , trenchless technology , spiral wound method , PUF coating , pipe space , cutting thread

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SPISOK LITERATURY

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