This paper describes the results of a study, sponsored by the U.S. Nuclear Regulatory Commission (NRC), to assess potential seismic effects on the postulated transition break size (TBS) in the proposed risk-informed revision of the regulatory requirements for the emergency core cooling system (ECCS) contained in Title 10, Section 50.46, of the Code of Federal Regulations (10 CFR 50.46). The full report was provided on the NRC web site in mid-December 2005. The primary focus of this paper is to provide a summary of the study’s approach and results which was conducted to facilitate review and comment concerning the proposed rule and statement of considerations (SOC), entitled “Risk-Informed Changes to Loss-of-Coolant Accident Technical Requirements; Proposed Rule,” which the NRC published in the Federal Register (70 FR 67598) on November 7, 2005.
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ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
July 23–27, 2006
Vancouver, BC, Canada
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4757-8
PROCEEDINGS PAPER
Seismic Considerations for the Transition Break Size: An Overview of the Methodology
G. Wilkowski,
G. Wilkowski
Engineering Mechanics Corporation of Columbus, Columbus, OH
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H. Xu,
H. Xu
Engineering Mechanics Corporation of Columbus, Columbus, OH
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P. Krishnaswamy,
P. Krishnaswamy
Engineering Mechanics Corporation of Columbus, Columbus, OH
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G. DeGrassi,
G. DeGrassi
Brookhaven National Laboratories, Upton, NY
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J. J. Johnson,
J. J. Johnson
JJJohnson and Associates, Alamo, CA
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R. Olson
R. Olson
Battelle-Columbus, Columbus, OH
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G. Wilkowski
Engineering Mechanics Corporation of Columbus, Columbus, OH
H. Xu
Engineering Mechanics Corporation of Columbus, Columbus, OH
P. Krishnaswamy
Engineering Mechanics Corporation of Columbus, Columbus, OH
N. Chokshi
NRC-RES, Rockville, MD
S. Shaukat
NRC-RES, Rockville, MD
A. Hiser
NRC-RES, Rockville, MD
G. DeGrassi
Brookhaven National Laboratories, Upton, NY
J. J. Johnson
JJJohnson and Associates, Alamo, CA
R. Olson
Battelle-Columbus, Columbus, OH
Paper No:
PVP2006-ICPVT-11-93994, pp. 103-117; 15 pages
Published Online:
July 23, 2008
Citation
Wilkowski, G, Xu, H, Krishnaswamy, P, Chokshi, N, Shaukat, S, Hiser, A, DeGrassi, G, Johnson, JJ, & Olson, R. "Seismic Considerations for the Transition Break Size: An Overview of the Methodology." Proceedings of the ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. Volume 6: Materials and Fabrication. Vancouver, BC, Canada. July 23–27, 2006. pp. 103-117. ASME. https://doi.org/10.1115/PVP2006-ICPVT-11-93994
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