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Yu. Yu. Fedorov, S. N. Popov, A. V. Savvina, S. V. Vasilyev, A. K. Rodionov

EVALUATION OF THE AXIAL STRESSES OF A GAS PIPELINE MADE OF REINFORCED POLYETHYLENE PIPES UNDER CONDITIONS OF PERMAFROST SOILS

DOI: 10.17804/2410-9908.2017.3.036-041

Monitoring of gas pipelines provides data necessary to justify the minimum value of the safety factor. Stresses in a gas pipeline made of reinforced polyethylene pipes with local soil heaving are evaluated with the use of a three-point diagram of loading by a concentrated force of a beam with a thin annular section. It is obvious from the calculations that the magnitude of axial stresses under the influence of soil heaving is far from critical. The safety factor is twice as high as the normative value.

Keywords: polyethylene pipes, underground gas pipeline, frozen soil, low temperatures, stress-strain state

References:

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Article reference

Evaluation of the Axial Stresses of a Gas Pipeline Made of Reinforced Polyethylene Pipes under Conditions of Permafrost Soils / Yu. Yu. Fedorov, S. N. Popov, A. V. Savvina, S. V. Vasilyev, A. K. Rodionov // Diagnostics, Resource and Mechanics of materials and structures. - 2017. - Iss. 3. - P. 36-41. -
DOI: 10.17804/2410-9908.2017.3.036-041. -
URL: http://eng.dream-journal.org/issues/content/article_122.html
(accessed: 05/22/2024).

 

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