Solution for multi-axis loading on piping non-planar flaws has been studied by many authors (Hoang 2010, 2011), (Kunio 2012, 2014), (Li, 2010, 2012) and ( Bezensek, 2010) to provide a technical basis for an equivalent moment in applications of ASME Section XI, Appendix C limit load approach for pipe flaw evaluation. The equivalent moment is defined as the square root of the sum of the squares (SRSS) of bending moment and torsion with a multiplier of Ce. It has been shown that Ce=1 is applicable for piping with crack-like planar flaws and for part-through-wall non-planar flaws subjected to some limitations. However, the Ce factor for through-wall non-planar flaws has not been investigated. Since Code Case 513-3 allows the use of Section XI, Appendix C procedure for non-planar through-wall flaws, the Ce factor is studied in this paper to support the applications with torsion loading.
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ASME 2015 Pressure Vessels and Piping Conference
July 19–23, 2015
Boston, Massachusetts, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5692-5
PROCEEDINGS PAPER
Application of Torsion Ce Factor for Piping Non-Planar Through-Wall Flaws
Phuong H. Hoang
Phuong H. Hoang
Sargent & Lundy LLC, Chicago, IL
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Phuong H. Hoang
Sargent & Lundy LLC, Chicago, IL
Paper No:
PVP2015-45687, V01AT01A016; 8 pages
Published Online:
November 19, 2015
Citation
Hoang, PH. "Application of Torsion Ce Factor for Piping Non-Planar Through-Wall Flaws." Proceedings of the ASME 2015 Pressure Vessels and Piping Conference. Volume 1A: Codes and Standards. Boston, Massachusetts, USA. July 19–23, 2015. V01AT01A016. ASME. https://doi.org/10.1115/PVP2015-45687
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