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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.6
- 수록면
- 2,069 - 2,087 (19page)
- DOI
- 10.1016/j.net.2023.03.001
이용수
초록· 키워드
오류제보하기
In nuclear power plant (NPP) accidents, the containment is subject to high temperatures and high in ternal pressures, which may further trigger serious chain accidents such as core meltdown and hydrogen explosion, resulting in a significantly higher accident level. Therefore, studying the mechanical perfor mance of a containment under high temperature and high internal pressure is relevant to the safety of NPPs. Based on similarity principles, the 1:3.2 scale model of a prestressed concrete containment vessel (PCCV) of a NPP was designed. The loading method, which considers the thermal-pressure coupling conditions, was used. The mechanical response of the PCCV was investigated with a simultaneous in crease in internal pressure and temperature, and the failure mechanism of the PCCV under thermal pressure coupling conditions was revealed
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