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C(t) Estimation of Cracked Pipe Under Radial Thermal Gradient or Axial Displacement Control Load

[+] Author Affiliations
Jin-Ho Je, Yun-Jae Kim, Young-Ryun Oh

Korea University, Seoul, Korea

Kuk-Hee Lee

Korea Hydro&Nuclear Power Co., Daejeon, Korea

Paper No. PVP2016-63435, pp. V06AT06A055; 7 pages
  • ASME 2016 Pressure Vessels and Piping Conference
  • Volume 6A: Materials and Fabrication
  • Vancouver, British Columbia, Canada, July 17–21, 2016
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5042-8
  • Copyright © 2016 by ASME


The present study analyzes the elastic follow-up factor under various secondary loads in the piping with cracks through finite element analysis. The secondary loads being considered included axial tensile load caused by the displacement applied in form of uniform stress through thickness and the load due to the thermal gradient in the radial direction applied as bending stress. According to this study, under displacement control loads, elastic follow-up factor can increase greatly.

Copyright © 2016 by ASME



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