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Author of the article

Lukáš Pařízek, CEPS

Information about the publication

Plyn, 2021, volume CI, issue 3, page 104–109, ISSN 0032-1761

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  • Sleeves and their ‘hard reality’: Composite versus steel on steel pipes CZPDF for screen (1059 kB)

Sleeves and their ‘hard reality’: Composite versus steel on steel pipes

The contribution compares two types of repairs of high-pressure gas pipelines and oil pipelines. One is a sleeve made of steel combined with composite filling and the other is a composite sleeve made of carbon fibre and epoxy resin.

The two repairs were compared during an experiment in which a DN 500 pipe sample with artificial defects was repaired by those sleeves.

Graphs in the article show the circumferential deformation on the defect’s surface under each sleeve after pressurisation. An addition to the experiment was a software model of a steel sleeve with composite filling, based on the Finite Element Method.

The contribution is intended to offer an idea of where combinations of steel and composite materials are or are not appropriate for elements exposed to high loads, such as high-pressure pipelines.

Read more in the article Sleeves and their ‘hard reality’: Composite versus steel on steel pipes (PDF, Czech language, 1059 kB).


related services

The topic of this article is related to the following services of the company CEPS

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Defect assessment and reinforcing sleeves

Testing of pipes and pipeline components

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related case studies

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New approach to the results of internal inspection

Džūkste–Peteri, Latvia
2013

Comprehensive integrity verification of high-pressure DN 400 pipeline

Dziwisov–Taczalin, Poland
2010

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Technical specifications CZ

about CEPS


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Examine more in articles related to this topic

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Measuring hydraulic parameters of gas pipelines in operation CZ

Plyn 6 / 2016

Measuring methane explosibility under higher pressures CZ

Plyn 11–12 / 2015

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