Mesedez, erabili identifikatzaile hau item hau aipatzeko edo estekatzeko:
http://elartu.tntu.edu.ua/handle/lib/27299
Titulua: | Numerical procedure based on basis and correction solutions for axial stress calculation in pipelines passing through zones of mine subsidence |
Beste titulu batzuk: | Чисельна процедура на основі базових та корекційних рішень для розрахунку осьових напружень у трубопроводах, що проходять через зони шахтних виробок |
Egilea: | Ясковець, Захар Сергійович Ориняк, Ігор Володимирович Yaskovets, Zakhar Orynyak, Igor |
Affiliation: | Інститут проблем міцності імені Г.С. Писаренка НАН України, Київ, Україна ТОВ «Solid Master», Київ, Україна G. S. Pisarenko Institute for Problems of Strength of the NAS of Ukraine, Kyiv, Ukraine Solid Master Ltd, Kyiv, Ukraine |
Bibliographic description (Ukraine): | Yaskovets Z. Numerical procedure based on basis and correction solutions for axial stress calculation in pipelines passing through zones of mine subsidence / Zakhar Yaskovets, Igor Orynyak // Scientific Journal of TNTU. — Tern. : TNTU, 2018. — Vol 91. — No 3. — P. 70–79. — (Mechanics and materials sciense). |
Bibliographic description (International): | Yaskovets Z., Orynyak I. (2018) Numerical procedure based on basis and correction solutions for axial stress calculation in pipelines passing through zones of mine subsidence. Scientific Journal of TNTU (Tern.), vol. 91, no 3, pp. 70-79. |
Is part of: | Вісник Тернопільського національного технічного університету, 3 (91), 2018 Scientific Journal of the Ternopil National Technical University, 3 (91), 2018 |
Journal/Collection: | Вісник Тернопільського національного технічного університету |
Issue: | 3 |
Volume: | 91 |
Gordailuaren-data: | 12-Nov-2018 |
Submitted date: | 21-Nov-2018 |
Date of entry: | 10-Jan-2019 |
Argitalpen: | ТНТУ TNTU |
Place of the edition/event: | Тернопіль Ternopil |
DOI: | https://doi.org/10.33108/visnyk_tntu2018.03.070 |
UDC: | 539.4 |
Gako-hitzak: | магістральний трубопровід шахтний виробіток зсув ґрунту осьові напруження main pipeline mining production ground movement axial stresses |
Number of pages: | 10 |
Page range: | 70-79 |
Start page: | 70 |
End page: | 79 |
Laburpena: | Шахтні виробки можуть бути значною загрозою цілісності трубопроводів. Існує три складові, які кількісно визначають розподіл напружень уздовж трубопроводу – функцію переміщення землі по осі трубопроводу; фізичний закон взаємодії ґрунту і труби через їх відносні зсуви; реакцію деформації стінки труби на осьові напруження. Всі три з них, як правило, добре зрозумілі, але мало існує успішних прикладів прогнозування напружень у таких трубопроводах через брак ефективних алгоритмів їх урахування. Створено ефективну процедуру розрахунку осьових деформацій та переміщень на основі понять базових та корекційних рішень. Основне рішення алгебраїчно корегується після кожного кроку ітерації для рішення корекції, що отримано методом чисельно-ефективного матричного розкладу. Ефективність застосування алгоритму показано на реальному прикладі. Mine subsidence can pose a considerable threat to pipeline integrity. There are three constituents which quantitatively determine the distribution of strains along the pipeline – the function of ground displacement along the pipeline axis; the physical law of soil-pipe interaction due to their relative displacements; and the pipe wall deformation response to axial stress. All three of them are usually well understood but there are still a small number of successful examples of prediction of stresses in such pipelines due to lack of effective algorithms of their accounting for. So here we develop the effective procedure for axial strain and displacement calculation based on notions of basic and correction solutions. The basic solution is algebraically corrected after each iteration step for correction solution, which obtained by numerically efficient transfer matrix method. The role of basic one is very narrow here: first it determines the particular type of law of soil-pipe interaction; second, the resulting solution is considered to be correct when basic and correction solutions coincide. The effectiveness of the algorithm application is shown on number of real examples. |
URI: | http://elartu.tntu.edu.ua/handle/lib/27299 |
ISSN: | 2522-4433 |
Copyright owner: | © Тернопільський національний технічний університет імені Івана Пулюя, 2018 |
URL for reference material: | https://doi.org/10.1007/s11223-007-0032-2 |
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Content type: | Article |
Bildumetan azaltzen da: | Вісник ТНТУ, 2018, № 3 (91) |
Item honetako fitxategiak:
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