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Standard
ISO 4917-4
First edition
Design of nuclear power plants
2024-03
against seismic events —
Part 4:
Components
Conception parasismique des installations nucléaires —
Partie 4: Composants
Reference number
ISO 4917-4:2024(en) © ISO 2024
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ISO 4917-4:2024(en)
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 4917-4:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General requirements . 3
4.1 Basics .3
4.2 Verification procedure . . .4
4.3 Verification methods .5
5 Verification by analysis . 6
5.1 Summary .6
5.2 Excitation at the location of installation .6
5.2.1 Basics .6
5.2.2 Secondary responses .6
5.2.3 Tertiary responses . .7
5.2.4 Design spectra .7
5.3 Modeling .8
5.3.1 System characteristics .
...