Fast Reactors and Accelerator Driven Systems Knowledge Base

IAEA-TECDOC--1288: Verification of analysis methods for predicting the behaviour of seismically isolated nuclear structures.

Final report of a co-ordinated research project 1996-1999

International Atomic Energy Agency, Vienna (Austria), IAEA-TECDOC--1288

Abstract

This report is a summary of the work performed under a co-ordinated research project (CRP) entitled Verification of Analysis Methods for Predicting the Behaviour of Seismically isolated Nuclear Structures. The project was organized by the IAEA on the recommendation of the IAEA's Technical Working Group on Fast Reactors (TWGFR) and carried out from 1996 to 1999. One of the primary requirements for nuclear power plants and facilities is to ensure safety and the absence of damage under strong external dynamic loading from, for example, earthquakes. The designs of liquid metal cooled fast reactors (LMFRs) include systems which operate at low pressure and include components which are thin-walled and flexible. These systems and components could be considerably affected by earthquakes in seismic zones. Therefore, the IAEA through its advanced reactor technology development programme supports the activities of Member States to apply seismic isolation technology to LMFRs. The application of this technology to LMFRs and other nuclear plants and related facilities would offer the advantage that standard designs may be safely used in areas with a seismic risk. The technology may also provide a means of seismically upgrading nuclear facilities. Design analyses applied to such critical structures need to be firmly established, and the CRP provided a valuable tool in assessing their reliability. Ten organizations from India, Italy, Japan, the Republic of Korea, the Russian Federation, the United Kingdom, the United States of America and the European Commission co-operated in this CRP. This report documents the CRP activities, provides the main results and recommendations and includes the work carried out by the research groups at the participating institutes within the CRP on verification of their analysis methods for predicting the behaviour of seismically isolated nuclear structures

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Articles

Verification and improvement of analytical modeling of seismic isolation bearings and isolated structures
Forni, M.; La Grotteria, M.; Martelli, A. (National Agency for New Technology (Italy)); Bertola, S.; Bettinali, F.; Dusi, A. (ENEL-HYDRO Hydraulic and Structure Centre (Italy)); Bergamo, G.; Bonacina, G. (ENEL-HYDRO-ISMES Engineering and Testing Centre (Italy))

Analysis methods for predicting the behaviour of isolators and formulation of simplified models for use in predicting response of structures to earthquake type input
Tun Abdul Razak Research Centre (United Kingdom)

Comparison of computer simulated and observed force deformation characteristics of anti-seismic devices and isolated structures
Bhoje, S.B.; Chellapandi, P.; Chetal, S.; Muralikrishna, R.; Salvaraj, T. (Indira Gandhi Centre for Atomic Research (India))

Numerical simulations of rubber bearing tests and shaking table tests
Hirata, K.; Matsuda, A.; Yabana, S. (Central Research Institute of Electric Power Industry (Japan))

3-D pneumatic seismic isolation of nuclear power plants
Beliaev, V.S.; Vinogradov, V.V.; Kostarev, V.V.; Kuzmitchev, V.P.; Privalov, S.A.; Siro, V.A.; Krylova, I.N.; Dolgaya, A.A.; Uzdin, A.M.; Vasiliev, A.V. (Research Center of Fundamental Engineering, CKTI-Vibroseism, St. Petersburg (Russian Federation))

Experimental testing of reduced scale seismic isolation bearings for the advanced liquid metal reactor
Aiken, D.; Clark, P.W.; Kelly, J.M. (Earthquake Engineering Research Center, University of California at Berkeley, Berkeley, CA (United States))

Contribution of the JRC Ispra to the intercomparison of analysis methods for seismically isolated nuclear structures
Magonette, G.; Renda, V. (European Commission Joint Research Centre Elsa Laboratory, Ispra (Italy))

Development of analysis methods for seismically isolated nuclear structures
Yoo, Bong; Lee, Jae-Han; Koo, Gyeng-Hoi (Korea Atomic Energy Research Institute (Korea, Republic of))