The Effect of Seismic Level Increase on the Reactor Vessel Internals and Fuel Assemblies for the Korean Standard Suclear Power Plant

지진레벨의 증가가 한국표준형 원자력발전소의 원자로 내부구조물 및 핵연 료 집합체에 미치는 영향

  • Jhung, M. J. ;
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  • 정명조 (한국원자력안전기술원, 기계설비그룹) ;
  • 박윤원 (한국안전원자력안전기술원 기술개발그룹) ;
  • 이정배 (한국안전원자력안전기술원 기계설비그룹)
  • Published : 1997.02.01

Abstract

To cover a range of possible site conditions where the Korean standard nuclear power plant may be constructed, a range of generic site conditions is selected for geologic and seismologic evaluation. To envelop other Asian countries as well as the Korean peninsula, there is an attempt to increase the seismic level to 0.3g ground motions for the safe shutdown earthquake. The dynamic analyses of the reactor vessel internals and fuel assemblies are performed for the increased motions and the effect of seismic level on the response is investigated. Also the nonlinear response characteristics are discussed by comparing the loads between operating basis earthquake and safe shutdown earthquake excitations. The design adequacy of the reactor vessel internals and fuel assemblies for the increased seismic level is addressed.

경수로형 원자력발전소 표준화 작업의 일환으로 만들어진 한국표준형 원자력 발전소는 그 건설부지를 한반도뿐만 아니라 인접 아시아국가의 여러곳을 목표로 하고 있으며 이와 관련하여 안전정지지진의 레벨을 0.3g로 증가시키려는 시도가 계획되고 있다. 본 연구에서는 이와 같은 지진레벨 증가가 기존의 0.2g로 설계된 원자로 내부 구조물과 핵연료집합체에 미치는 영향을 평가하였다. 운전기준지진 및 안전정지지진의 응답을 비교함으로써 비선형 응답특성을 조사하였고 한국표준형 원자력발전소의 원자로 내부구조물 및 핵연료집합체의 설계 타당성에 대하여 언급하였다.

Keywords

References

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