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Large Scale Experimental Data for Improved Strain-Based Design Models

[+] Author Affiliations
Mark Stephens, Randy Petersen

C-FER Technologies, Edmonton, AB, Canada

Yong-Yi Wang

Center for Reliable Energy Systems, Dublin, OH

Robin Gordon

Microalloying International, Houston, TX

David Horsley

BP - Exploration and Production Technology, Calgary, AB, Canada

Paper No. IPC2010-31396, pp. 195-203; 9 pages
doi:10.1115/IPC2010-31396
From:
  • 2010 8th International Pipeline Conference
  • 2010 8th International Pipeline Conference, Volume 4
  • Calgary, Alberta, Canada, September 27–October 1, 2010
  • Conference Sponsors: International Petroleum Technology Institute and the Pipeline Division
  • ISBN: 978-0-7918-4423-6 | eISBN: 978-0-7918-3885-3
  • Copyright © 2010 by ASME

abstract

This paper provides an overview of a large-scale testing program that is associated with an ongoing, joint government/industry funded research program, which is intended to advance the state-of-the-art in strain-based design as it pertains to the tensile capacity of girth welds in steel pipelines. The testing program has exercised a number of parameters that are known to have a significant impact on tensile strain capacity including: the effects of internal pressure, the strain hardening characteristics of the pipe body and weld material, the degree of weld strength overmatch and the location of the assumed flaw. This paper describes the type of tests performed and the instrumentation plan; it also provides a summary and discussion of the results obtained to date.

Copyright © 2010 by ASME
Topics: Design

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