2015•The Proceedings of the International Conference on Nuclear Engineering (ICONE)Open access
ICONE23-1359 INVESTIGATION ON ULTIMATE STRENGTH OF THIN WALL TEE PIPE FOR SODIUM COOLED FAST REACTOR UNDER SEISMIC LOADING
Tomoyoshi Watakabe, Kazuyuki Tsukimori, Akihito Otani, Makoto Moriizumi, Naoaki Kaneko
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Abstract
It is important to investigate failure mode and ultimate strength of piping components in order to evaluate seismic integrity of piping. Many failure tests of a thick wall and a high pressure piping for Light Water Reactors (LWRs) have been conducted, and the results suggest that the failure mode which should be considered in the design of a thick wall piping for LWRs under seismic loading is low cycle fatigue. On the other hands, the piping in Sodium cooled Fast Reactors (SFRs) is a thin wall configuration compared to the piping in LWRs. Failure tests of a thin wall piping is necessary because the past failure tests for the piping in LWRs are not enough to discuss failure behavior of a thin wall piping. This present work investigated the failure mode and the ultimate strength of a thin wall tees, the critical parts in seismic evaluation of the actual piping of SFRs.
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