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Analysis of Plain and Gouged Dents in Steel Pipes Subjected to Pressure and Moment Loading

[+] Author Affiliations
J. Blachut, I. B. Iflefel

University of Liverpool, Liverpool, UK

Paper No. PVP2006-ICPVT-11-93505, pp. 209-217; 9 pages
doi:10.1115/PVP2006-ICPVT-11-93505
From:
  • ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
  • Volume 3: Design and Analysis
  • Vancouver, BC, Canada, July 23–27, 2006
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4754-3 | eISBN: 0-7918-3782-3
  • Copyright © 2006 by ASME

abstract

Six laboratory scale, mild steel pipes with the outside diameter-to-wall-thickness ratio, Do /t ≅ 40, were dented to about 15%–20% of outside diameter Do , by a hemispherical indenter with its diameter to pipe’s outside diameter ratio, d/Do ≅ 0.41. Three pipes had surface gouges running axially in them, and the remaining three were gouge-free. Five of them were then collapsed by a bending moment followed by pressure burst tests. Experimental test data has been used to benchmark the FE results, details of which are given in the paper. Good agreement between experimental and numerical results was obtained.

Copyright © 2006 by ASME
Topics: Pressure , Steel , Pipes

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