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Evaluation of Mechanical behavior of Textured Pipelines Subjected to Strike-slip Faulting

Credit to Download: 1 | Page Numbers 16 | Abstract Views: 147
Year: 2017
Present: ارايه پوستري
COI code: ICCACS02_043
Paper Language: English

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Authors Evaluation of Mechanical behavior of Textured Pipelines Subjected to Strike-slip Faulting

  Mahdi Izadi - School of Civil Engineering, University of Tehran, Tehran, Iran
  Khosrow Bargi - Prof. School of Civil Engineering, University of Tehran, Tehran, Iran,

Abstract:

The present study investigates the mechanical behavior of a new generation of buried pipelines, dubbed the textured pipeline, which is subjected to strike-slip faulting. In conventional cylindrical pipelines, the axial and bending stresses brought about in their walls as a result of fault movement, lead to local buckling, which are construed as one of the major reasons contributing to pipeline failure. The present study has assessed 3-D numerical models of two kinds of buried textured pipelines, with 6 and 12 peripheral triangular facets, subjected to a strike-slip faulting normal to the axis of the pipelines, with and without internal pressure. The results indicate that, because of specific geometry of this pipeline shell which is characterized by having lower axial stiffness and higher bending stiffness, compared to conventional cylindrical pipeline, they are considerably resistant to local buckling. The results of this study can be conceived of as a first step towards comprehensive seismic studies on this generation of pipelines which aim at replacing the conventional cylindrical pipelines with textured ones in areas subjected to fault movement.

Keywords:

Textured pipeline, Buried pipeline, Strike-slip fault, Local buckling

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COI code: ICCACS02_043

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Izadi, Mahdi & Khosrow Bargi, 2017, Evaluation of Mechanical behavior of Textured Pipelines Subjected to Strike-slip Faulting, 2nd International Conference of Civil Engineering, Architecture and urban landscape, بانكوك , دبيرخانه دايمي كنفرانس, دانشگاه Kasem Bundit, https://www.civilica.com/Paper-ICCACS02-ICCACS02_043.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Izadi, Mahdi & Khosrow Bargi, 2017)
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Type: state university
Paper No.: 55516
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