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Fatigue behaviors of the steel pipe tee in a nuclear power plant piping system under in-plane cyclic loading
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| Veröffentlicht in: | Energy reports 6(2020), 2 vom: Feb., Seite 521-525 |
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| Personen und Körperschaften: | , , |
| Titel: | Fatigue behaviors of the steel pipe tee in a nuclear power plant piping system under in-plane cyclic loading/ Sung-Wan Kim, Bub-Gyu Jeon, Da-Woon Yun |
| Format: | E-Book-Kapitel |
| Sprache: | Englisch |
| veröffentlicht: |
2020
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| Gesamtaufnahme: |
: Energy reports, 6(2020), 2 vom: Feb., Seite 521-525
, volume:6 |
| Schlagwörter: | |
| Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
| Zusammenfassung: | The safety of a nuclear power plant against earthquakes can be improved by installing seismic isolation devices. As such seismic isolation devices handle seismic loads, however, displacements larger than those generated before the application of such devices may occur. Therefore, the seismic risks are likely to increase for some facilities. In particular, pipes that connect structures with seismic isolation devices to ordinary structures are likely to have higher seismic risks. The piping is affected by the behavior of the two supports, and damage may occur due to the displacement-dominant repeated behavior. In addition, to assess the low-cycle fatigue behavior of the piping system under seismic loads, it is essential to identify the relationships among the number of cycles, moment, and deformation angle until leakage occurs, through an in-plane cyclic loading test. In this study, an in-plane cyclic loading test was conducted to assess the fatigue behavior of a steel pipe tee against seismic loads from the correlation between the moment and the deformation angle. |
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| ISSN: |
2352-4847
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| DOI: | 10.1016/j.egyr.2019.11.113 |
| Zugang: | Open Access |