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Laboratory Tests and Numerical Modelling of Sleeper-Supported Line Pipe FREE

[+] Author Affiliations
Jeffrey D. DiBattista, J. J. Roger Cheng, David W. Murray

University of Alberta, Edmonton, AB, Canada

Z. Joe Zhou

NOVA Gas Transmission Limited, Calgary, AB, Canada

Paper No. IPC1998-2092, pp. 789-796; 8 pages
doi:10.1115/IPC1998-2092
From:
  • 1998 2nd International Pipeline Conference
  • Volume 2: Design and Construction; Pipeline Automation and Measurement; Environmental Issues; Rotating Equipment Technology
  • Calgary, Alberta, Canada, June 7–11, 1998
  • Conference Sponsors: Pipeline Division
  • ISBN: 978-0-7918-4023-8
  • Copyright © 1998 by ASME

abstract

This paper reports the results of experimental and numerical investigations into the behaviour of buried high-pressure piping supported by flat concrete footings known as ‘sleepers.’ In the study, a series of full-size line pipes are examined to determine their deformational behaviour when subjected to sleeper – pipe contact forces. Of particular concern are the distortion of the cross-section and the identification of potential buckling or wrinkling problems. Test results show that the pipes behave in a stable and ductile manner, but that the cross-sectional deformation can be considerable. A numerical model of sleeper-supported pipe, which includes non-linear material properties and accounts for large strains and deformations, is described. This model is found to represent sleeper – pipe interaction behaviour well. It is concluded that the analytical methods are sufficiently accurate to predict the behaviour of a pipe under the action of a known sleeper – pipe contact force. These analyses can be used to predict pipe behaviour directly and will be of assistance in the development of a simplified design technique.

Copyright © 1998 by ASME
Topics: Modeling , Pipes
This article is only available in the PDF format.

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