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Comparison of Soil Properties From World-Wide Full-Scale Pipe Testing Facilities

[+] Author Affiliations
D. Rudland

Engineering Mechanics Corporation of Columbus, Columbus, OH

G. Mannucci

Centro Sviluppo Materiali SpA, Rome, Italy

R. Andrews

Advantica, Leicestershire, UK

S. Kawaguchi

Tokyo Gas, Tokyo, Japan

Paper No. IPC2008-64459, pp. 337-343; 7 pages
doi:10.1115/IPC2008-64459
From:
  • 2008 7th International Pipeline Conference
  • 2008 7th International Pipeline Conference, Volume 3
  • Calgary, Alberta, Canada, September 29–October 3, 2008
  • Conference Sponsors: International Petroleum Technology Institute and the Pipeline Division
  • ISBN: 978-0-7918-4859-3 | eISBN: 798-0-7918-3835-8
  • Copyright © 2008 by ASME

abstract

The dynamic behavior of an axially propagating crack in buried line pipe is dependent not only on the pipe material, and the decompressing gas, but also the surrounding soil. The density and cohesiveness of the soil restrains the forming pipe flaps behind the crack tip and decreases the apparent crack driving force. Traditional fracture analyses, such as the Battelle Two-Curve (BTC) approach, lump the soil behavior into one empirical correction factor that does not differentiate between different soil types. In this effort, soils from the full-scale pipe test facilities in the United States, Italy, United Kingdom, and Denmark, were tested with standard procedures to characterize the soils by type, grain size, density and strength. A comparison of these properties is presented in this archival paper, which can be used in future fracture analysis development efforts.

Copyright © 2008 by ASME
Topics: Pipes , Soil , Test facilities

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