Ultimate Strength of a Thin Wall Tee for Sodium Cooled Fast Reactors Under Seismic Loads

Author:

Watakabe Tomoyoshi1,Takahashi Hideki2

Affiliation:

1. Japan Atomic Energy Agency , 4002 Narita, Oarai, Ibaraki 311-1393, Japan

2. NESI Inc. , 4002 Narita, Oarai, Ibaraki 311-1393, Japan

Abstract

Abstract It is a key issue to clarify failure mode of piping in nuclear power plants and its safety margin included in the design practice. In this study, a series of dynamic failure tests of a thin wall tee for sodium-cooled fast reactors was conducted. Some discussions related to the thin wall tee are provided on the failure mode under seismic load, dynamic response behavior, accuracy of fatigue prediction by dynamic elastic-plastic analysis, and a safety margin of fatigue evaluation which is included in conventional design rule.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Reference18 articles.

1. Piping Dynamic Reliability and Code Rule Change Recommendations;Nucl. Eng. Des.,1990

2. Seismic Proving Test of Ultimate Piping Strength: Current Status of Preliminary Tests-II,2002

3. Seismic Proving Test of Ultimate Piping Strength: Test Results on Piping Component and Simplified Piping System,2002

4. Seismic Proving Test of Ultimate Piping Strength: Ultimate Strength Test,2004

5. Investigation of Seismic Safety Capacity of Aged Piping System: Shaking Table Test on Piping Systems With Wall Thinning by E-Defense,2011

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