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Scientific reports of Bukhara State University

Abstract

For the purpose of increasing the service life of underground polyethylene pipelines the influence of loadings that are created as a result of external and internal forces has been considered in the article.

First Page

17

Last Page

21

References

1. Avliyakulov N.N., Safarov I.I. Sovremennыe zadachi statiki i dinamiki podzemnыx truboprovodov. – Tashkent: Fan va texnologiya, 2007. – 306 s. 2. GOST 18599-2001. Trubы napornыe iz polietilena. Texnicheskie usloviya. – 20 s. 2. Овсянникова M.Ф. Эстетика в прошлом, настоящем и будущем. – M.: Просвещение, 1998. – C. 56. 3. Baqoeva M. English literature. – T., 2006. – B. 81-92. 4. Koʻchirma. История английский литературы. – M. – Л., 1946. – C. 747. 5. Qayumov O. Chet el adabiyoti tarixi. – T. : Oʻqituvchi, 1979. – B. 87. 6. Daniel Defo. Robinzon Kruzo. – T.: Oʻqituvchi, 1986. – B. 159. 7. Azizov Q., Qayumov O. Chet el adabiyoti tarixi. – T.: Oʻqituvchi, 1987. – B. 15.

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