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Inelastic Deformation of Pipelines Induced by Temporary Ground Deformations

[+] Author Affiliations
Nobuhisa Suzuki

JFE Steel Corporation, Yokohama, Japan

Takekazu Arakawa

JFE Steel Corporation, Tokyo, Japan

Paper No. IPC2018-78205, pp. V002T02A009; 8 pages
doi:10.1115/IPC2018-78205
From:
  • 2018 12th International Pipeline Conference
  • Volume 2: Pipeline Safety Management Systems; Project Management, Design, Construction, and Environmental Issues; Strain Based Design; Risk and Reliability; Northern Offshore and Production Pipelines
  • Calgary, Alberta, Canada, September 24–28, 2018
  • Conference Sponsors: Pipeline Division
  • ISBN: 978-0-7918-5187-6
  • Copyright © 2018 by ASME

abstract

This paper describes a new design method to obtain the inelastic deformation of pipelines induced by temporary ground deformations. The proposed design method consists of an elastic solution and a strain conversion procedure which was developed to predict the inelastic strain distribution by using the elastic solution and a stress-strain curve. Roundhouse type, yield-plateau type, and trilinear stress-strain curves are considered. Validation of the proposed method is conducted by comparing the results predicted by the proposed method with the results obtained by finite element analyses.

Copyright © 2018 by ASME

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