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RISS 인기검색어
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- 저자 : ANDREW S. WHITTAKER (검색결과 2 건)
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SEISMIC ISOLATION OF NUCLEAR POWER PLANTS
Whittaker, Andrew S.,Kumar, Manish,Kumar, Manish Korean Nuclear Society 2014 Nuclear Engineering and Technology Vol.46 No.5
Seismic isolation is a viable strategy for protecting safety-related nuclear structures from the effects of moderate to severe earthquake shaking. Although seismic isolation has been deployed in nuclear structures in France and South Africa, it has not seen widespread use because of limited new build nuclear construction in the past 30 years and a lack of guidelines, codes and standards for the analysis, design and construction of isolation systems specific to nuclear structures. The funding by the United States Nuclear Regulatory Commission of a research project to the Lawrence Berkeley National Laboratory and MCEER/University at Buffalo facilitated the writing of a soon-to-be-published NUREG on seismic isolation. Funding of MCEER by the National Science Foundation led to research products that provide the technical basis for a new section in ASCE Standard 4 on the seismic isolation of safety-related nuclear facilities. The performance expectations identified in the NUREG and ASCE 4 for seismic isolation systems, and superstructures and substructures are described in the paper. Robust numerical models capable of capturing isolator behaviors under extreme loadings, which have been verified and validated following ASME protocols, and implemented in the open source code OpenSees, are introduced.
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Seismic Isolation of Nuclear Power Plants
ANDREW S. WHITTAKER,MANISH KUMAR 한국원자력학회 2014 Nuclear Engineering and Technology Vol.46 No.5
Seismic isolation is a viable strategy for protecting safety-related nuclear structures from the effects of moderateto severe earthquake shaking. Although seismic isolation has been deployed in nuclear structures in France and SouthAfrica, it has not seen widespread use because of limited new build nuclear construction in the past 30 years and a lack ofguidelines, codes and standards for the analysis, design and construction of isolation systems specific to nuclear structures. The funding by the United States Nuclear Regulatory Commission of a research project to the Lawrence BerkeleyNational Laboratory and MCEER/University at Buffalo facilitated the writing of a soon-to-be-published NUREG onseismic isolation. Funding of MCEER by the National Science Foundation led to research products that provide thetechnical basis for a new section in ASCE Standard 4 on the seismic isolation of safety-related nuclear facilities. Theperformance expectations identified in the NUREG and ASCE 4 for seismic isolation systems, and superstructures andsubstructures are described in the paper. Robust numerical models capable of capturing isolator behaviors under extremeloadings, which have been verified and validated following ASME protocols, and implemented in the open source codeOpenSees, are introduced.
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