Floor response spectra of a partially embedded seismically isolated nuclear plant |
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| Affiliation: | 1. R&D Center, Innose Tech Co., Ltd, Republic of Korea;2. Division of Mechanical Engineering, Tokyo Denki University, Japan;3. Vibro-System, Japan;1. Department of Civil and Environmental Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada;2. Romania Nuclear Power Company (Preparatory), China General Nuclear Power Company Daya Bay Nuclear Station, Shenzhen, China;1. Research Institute of Structural Engineering and Disaster Reduction, Tongji University, 1239 Siping Road, Shanghai 200092, PR China;2. Lawrence Berkeley National Laboratories, 1 Cyclotron Road, MS74R316C, Berkeley, CA 94720, USA;3. Department of Civil and Environmental Engineering, 777 Davis Hall, University of California, Berkeley, CA 94720, USA;1. Department of Civil and Mineral Engineering, University of Toronto, Toronto M5S 1A4, Canada;2. Korea Atomic Energy Research Institute, 989-111 Daedeok-daero, Yuseong, Daejeon 34057, Republic of Korea;1. Nuclear Services, Idom, Madrid, Spain;2. Fusion for Energy (F4E) – European Commission, Barcelona, Spain;1. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning, 116024, China;2. School of Hydraulic Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, Liaoning, 116024, China |
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| Abstract: | This paper deals with the effects of foundation embedment on the floor response spectra of big base isolated structures such as nuclear power plants. Analyses of a finite element model, representative of a real nuclear power plant, have been carried out. It has been demonstrated that, in agreement with previous work, base rocking excitation, induced by soil–structure interaction, may amplify the non-isolated modes׳ response and thus it must not be overlooked. |
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| Keywords: | Seismic isolation Soil–structure interaction Rocking excitation Floor response spectra |
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