Stress-Strain state of concrete weight coater pipes / V. G. Krets, N. A. Antropova, V. V. Matvienko

Уровень набора: SGEM. 17th International Multidisciplinary Scientific GeoConference, conference proceedings, Albena, Bulgariaм, 29 June - 5 July, 2017 = 2017Основной Автор-лицо: Krets, V. G., specialist in the field of oil and gas business, Associate Professor of Tomsk Polytechnic University, Candidate of technical sciences, 1942-, Victor GeorgievichАльтернативный автор-лицо: Antropova, N. A., specialist in the field of transportation and oil storage, Associate Professor of Tomsk Polytechnic University, Candidate of geological and mineralogical sciences, 1959-, Natalya Alekseevna;Matvienko, V. V., Vladimir VladislavovichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет (ТПУ), Институт природных ресурсов (ИПР), Кафедра транспорта и хранения нефти и газа (ТХНГ)Язык: английский.Страна: .Резюме или реферат: In constructing the marine pipelines, the concrete weight coated pipes are used to create a negative buoyancy coating and its protection from the external mechanical damages produced by icebergs, trawl nets, anchors, dropped objects. So far, no requirements have been formulated for the determination of the stress-strain state of the concrete weight coated pipes laid using the stinger (S-lay) system. The structural analysis carried out in accordance with the standard requirements does not account for the negative buoyancy coating. This paper presents the ANSYS finite element model of the stressstrain state of the pipeline depending on this coating. Finite element model of the S-lay marine pipeline installation is constructed for the determine task conditions such as pipeline diameter, wall pipe thickness, thickness of concrete coating, sea depth etc. The displacement and internal forces were analyzed for the pipeline with concrete weight coating. The stress and strain fields both in the base metal and the concrete coating over the pipeline length are come up with result. It has beet established that the highest stresses division for pipeline is located on the top of welded joints..Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | морские трубопроводы | напряженно-деформированные состояния | ANSYS | stinger | negative buoyancy coating | marine pipeline | stress-strain state Ресурсы он-лайн:Щелкните здесь для доступа в онлайн | Щелкните здесь для доступа в онлайн
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In constructing the marine pipelines, the concrete weight coated pipes are used to create a negative buoyancy coating and its protection from the external mechanical damages produced by icebergs, trawl nets, anchors, dropped objects. So far, no requirements have been formulated for the determination of the stress-strain state of the concrete weight coated pipes laid using the stinger (S-lay) system. The structural analysis carried out in accordance with the standard requirements does not account for the negative buoyancy coating. This paper presents the ANSYS finite element model of the stressstrain state of the pipeline depending on this coating. Finite element model of the S-lay marine pipeline installation is constructed for the determine task conditions such as pipeline diameter, wall pipe thickness, thickness of concrete coating, sea depth etc. The displacement and internal forces were analyzed for the pipeline with concrete weight coating. The stress and strain fields both in the base metal and the concrete coating over the pipeline length are come up with result. It has beet established that the highest stresses division for pipeline is located on the top of welded joints.

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