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A. I. Gerasimov, E. V. Danzanova

A METHOD FOR TESTING THE QUALITY OF WELDED JOINTS ON POLYMERIC PIPES

DOI: 10.17804/2410-9908.2019.2.006-015

At present, the existing methods for testing the quality of welded joints on polyethylene pipes in the current regulatory documents cannot quantify weld strength. This paper presents research on the development of methods for quantifying the strength of welded joints produced under different welding conditions. Data on the effect of changing one of the welding parameters on the failure stress of the resulting joints are obtained.

Acknowledgments: The work has been accomplished within the framework of the State Order of the Federal Agency for Scientific Organizations of the Russian Federation (project No. 0377-2016-0004).

Keywords: polyethylene pipe, welded joints, tensile test, welding parameters, failure stress

References:

1.      Korab G.N., Adamenko A.A., Repa V.P. Increasing the reliability of welded joints of plastic pipes made by a heated butt-end tool. Avtomaticheskaya Svarka, 1984, no. 4, pp. 64–65. (In Russian).

2.      SP 42-103-2003. Proektirovanie i stroitelstvo gazoprovodov iz polietilenovykh trub i rekonstruktsiya iznoshennykh gazoprovodov [Design and Construction of Gas Pipelines Made of Polyethylene Pipes and Reconstruction of Worn-Out Gas Pipelines: Building Regulation]. Moscow, Polimergaz, FGUP TsPP Publ., 2003, 86 p. (In Russian).

3.      Adamenko A.A., Korab G.N., Tarnogorodsky V.P. Improving the quality of plastic pipe joints made by contact heat welding. Avtomaticheskaya Svarka, 1983, no. 3. pp. 51–53 (In Russian).

4.      Aksenova G.V., Kashkovskaya E.A. Quality control of welded joints of polyethylene pipes according to the mode of failure under axial tension. Avtomaticheskaya Svarka, 1980, no. 2, pp. 61–63 (In Russian).

5.      Krasnikov M.A., Pozhalov Yu.V., Sokolov V.A. Mechanics of failure of butt-welded joints of polyethylene pipes during tensile testing by static loads. Polimergaz, 2011, no. 1, pp. 36–38 (In Russian).

6.      Maksimenko V.N., Zaytsev K.I., Chibikov A.V. Flash removal from welded joints of polyethylene pipes. Plasticheskie Massy, 1981, no. 12, pp. 30–31 (In Russian).

7.      Shurayts A.L., Kargin V.Yu., Volnov Yu.N. Gazoprovody iz polimernykh materialov: Posobie po proektirovaniyu, stroitelstvu i ekspluatatsii [Gas Pipelines from Polymeric Materials: Manual for Design, Construction, and Operation]. Saratov, Volga - XXI vek Publ., 2007, 612 p. (In Russian).

8.      Danzanova E.V. Questions of the control of quality welded joining the polyethylene pipes for gas main. Scientific and Technical Journal “Petroleum Engineering (Neftegazovoe Delo)”, 2009, no. 1. (In Russian). Available at: http://ogbus.ru/authors/Danzanova/Danzanova_1.pdf

9.      Gerasimov A.I., Danzanova E.V., Botvin G.V. A method for testing the strength of welded butt joints of polymer pipes, RF Patent 2465560, 2012. (In Russian).

10.  GOST 11262-80. Plastmassy. Metod ispytaniya na rastyazhenie [Plastics. Tensile test method: Russian State Standards]. Moscow, Izd-vo Standartov Publ., 1986, 16 p.

11.  Ammosova O., Starostin N., Gerasimov A. Svarka polietilenovykh trub pri nizkikh klimaticheskikh temperaturakh [Welding of Polyethylene Pipes at Low Climatic Temperatures]. Saarbrucken, Germany, LAP Lambert Academic Publishing GmbH & Co., 2012, 96 p. ISBN: 978-3-8473-7400-8. (In Russian).


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Article reference

Gerasimov A. I., Danzanova E. V. A Method for Testing the Quality of Welded Joints on Polymeric Pipes // Diagnostics, Resource and Mechanics of materials and structures. - 2019. - Iss. 2. - P. 6-15. -
DOI: 10.17804/2410-9908.2019.2.006-015. -
URL: http://eng.dream-journal.org/issues/content/article_219.html
(accessed: 10/11/2024).

 

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