Browse > Article
http://dx.doi.org/10.20466/KPVP.2018.14.2.088

Feasibility Study for Seismic Performance Enhancement of NPP Based on Equipment Base Isolation  

Lee, Jin Hyeong (한국교통대학교)
Shin, Tae Myung (한국교통대학교)
Koo, Gyeong Hoi (한국원자력연구원)
Publication Information
Transactions of the Korean Society of Pressure Vessels and Piping / v.14, no.2, 2018 , pp. 88-95 More about this Journal
Abstract
In this study, to enhance the seismic performance of nuclear power plants (NPP), a small laminated rubber bearing (LRB) is chosen as a seismic design option of the vulnerable equipment. Prior to the application of equipment base isolation, it is necessary to review the feasibility that the technique contributes enough to the seismic performance of NPP by analysis. At first, some preliminary design of small LRBs for equipment is carried out. Design parameters such as horizontal and vertical stiffnesses, design natural frequencies are checked by calculation and analysis for the four design options considering various upper weights. Performance test of small LRB is to be carried out to verify static performance using the results.
Keywords
Seismic Performance; Base Isolation; Equipment; LRB; NPP;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Moussallam, N., Allain, F., Petre-Lazar, I., Conneson, M., Diaz, S., Vu, T., Bouteleux, S., Soupel, B., Labbe, P. and Thiry, J., 2013, "Seismic Isolation of Nuclear Structures-Overview of the French Practice and Experience," Trans. of SMiRT-22, San Francisco, California, USA, Aug. 18-23.
2 Kim, M. K., Choun, Y. S. and Choi, I. K., 2004, "A Shaking Table Test for Equipment Isolation in the NPP (I): Rubber Bearing", J. of the EESK., Vol. 8, No. 5, pp. 65-77.
3 Koo, G. H. and Shin, T. M., 2018, "Design of Small Size Laminated Rubber Bearings Applicable for Seismic Isolation of Individual Nuclear Components," Trans. of the KNS, Jeju, Korea, May 17-19.
4 Lee, J. H., Shin, T. M. and Koo, G. H., 2018, "A Study on the Design Value of Small Laminated Rubber Bearings for Seismic Isolation of Nuclear Power Plant Equipment," Trans. of the KNS, Yeosu, Korea, Oct. 25-26.
5 Koo, G. H., Lee, J. H. and Yoo, B., 1997, "Mechanical Characteristics of Laminated Rubber Bearings for Seismic Isolation," J. of the EESK, Vol. 1, No. 2, pp.1-10.
6 KINS, 2014, "A Fundamental Study on the Development of Regulatory Technology for a Seismic Isolation System of Nuclear Power Plant Structures II", Daejeon, KINS/HR-1227, Vol. 2.
7 JNES, 2013, "Proposal of Technical Review Guidelines for Structures with Seismic Isolation", Tokyo, JNES-RC-2013-1002.
8 US NRC, 2011, "Technical Considerations for Seismic Isolation of Nuclear Facility Structures", Washington, DC, Enclosure 3.
9 Jang, K. S., Chang, C. H. and Lee, H. P., 2016, "Influence Evaluation of the Multi-Lead Rubber Bearing due to the Compressive Stress for Nuclear Power Plant", J. Korean Soc. Adv. Comp. Struc., Vol. 7, No. 3, pp. 55-64.   DOI
10 JNES, 2010, "Regulatory Guideline for Reviewing Seismic Isolation Structures", Tokyo, JNES-SS-1001.
11 IAEA, 2013, "Technical Report on Seismic Isolation Systems for Nuclear Installations", Wein, Draft Ver.2.0.
12 KINS, 2012, "A Fundamental Study on the Development of Regulatory Technology for a Seismic Isolation System of Nuclear Power Plant Structures", Daejeon, KINS/HR-1227, Vol. 1.