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Seismic Proving Test of Eroded Piping: Status of Eroded Piping Component and System Test

[+] Author Affiliations
Y. Namita, K. Suzuki, H. Abe, I. Ichihashi

Nuclear Power Engineering Corporation, Tokyo, Japan

M. Shiratori

Yokohama University, Kanagawa, Japan

K. Tai

Mtusubishi Heavy Industries, Ltd., Hyogo, Japan

K. Iwata

Toshiba Corporation, Kanagawa, Japan

A. Nebu

Hitachi, Ltd., Ibaraki, Japan

Paper No. PVP2003-2097, pp. 15-21; 7 pages
  • ASME 2003 Pressure Vessels and Piping Conference
  • Seismic Engineering
  • Cleveland, Ohio, USA, July 20–24, 2003
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4157-X
  • Copyright © 2003 by ASME


In FY 2000, a 3-year testing program of eroded piping was initiated with the following objectives: 1) to ascertain the seismic safety margins for eroded piping designed under the current seismic design code, 2) to clarify the elasto-plastic response and ultimate strength of eroded nuclear piping. A series of tests on eroded piping components and eroded piping systems was planned. In this paper, the results of those tests are presented and analyzed, focusing on the influence of the form and the number of thinned-wall portions on the fatigue life of the piping.

Copyright © 2003 by ASME
Topics: Pipes



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