ISO 4917-3:2024
(Main)Design of nuclear power plants against seismic events — Part 3: Civil structures
Design of nuclear power plants against seismic events — Part 3: Civil structures
This document applies to civil structures of nuclear power plants with water cooled reactors in order to achieve the safety objectives given in ISO 4917-1. For other nuclear facilities the applicability of the document needs to be checked in advance, before it might be applied correspondingly. This document specifies the requirements for civil structures for the verification of their load-bearing capacity in case of a seismic event. Additionally, requirements are specified pertaining to the verification of the serviceability of civil structures as far as necessary for maintaining their safety-related function in case of a seismic event (e.g. deformation and crack-width limitations). This document will be applied under the presumption that the geology and tectonics of the plant site have been investigated with special emphasis on the existence of active geological faults and lasting geological ground displacements, and that the site has been deemed suitable for a nuclear installation. To achieve these goals, this document deals with the requirements specific to the seismic design of civil structures above and beyond their conventional design. The basic requirements of these precautionary measures are dealt with in ISO 4917-1. This document does not apply to cranes, to detachment devices for lifting equipment nor to the supporting and mounting constructions of components. This document is independent of national standards. Recommendations, given in Annex A, are mainly based on the KTA Design-Philosophy and European standards. Alternatively other equivalent standards or regulations can be used in case the general requirements given in this document can be met. NOTE The term civil structures as used in this document comprise buildings and structural members made of reinforced concrete, pre-stressed concrete, steel, as well as steel composite structures and masonry. Among others, these include the containment, crane runways, platforms, fastening constructions and canals.
Conception parasismique des installations nucléaires — Partie 3: Ouvrages de génie civil
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ISO 4917-3
First edition
Design of nuclear power plants
2024-02
against seismic events —
Part 3:
Civil structures
Conception parasismique des installations nucléaires —
Partie 3: Ouvrages de génie civil
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ISO 4917-3:2024(en) © ISO 2024
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ISO 4917-3:2024(en)
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© ISO 2024 – All rights reserved
ii
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ISO 4917-3:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Seismic event . 3
5 Structure analysis . 3
5.1 Basic requirements .3
5.2 Modeling .3
5.2.1 General .3
5.2.2 Geotechnical parameters, dynamic subsoil properties .4
5.2.3 Material characteristics (parameters) .4
5.2.4 Effective stiffness .5
5.2.5 Contributing masses .5
5.2.6 Damping .5
5.2.7 Hydrodynamic effects .6
5.3 Analysis methods .6
5.3.1 General requirements .6
5.3.2 Response spectrum method .
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FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 4917-3
ISO/TC 85/SC 6
Design of nuclear power plants against
Secretariat: DIN
seismic events —
Voting begins on:
2023-11-29
Part 3:
Voting terminates on:
Civil structures
2024-01-24
Conception parasismique des installations nucléaires —
Partie 3: Ouvrages de génie civil
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
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DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 4917-3:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023
---------------------- Page: 1 ----------------------
ISO/FDIS 4917-3:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 4917-3
ISO/TC 85/SC 6
Design of nuclear power plants against
Secretariat: DIN
seismic events —
Voting begins on:
Part 3:
Voting terminates on:
Civil structures
Conception parasismique des installations nucléaires —
Partie 3: Ouvrages de génie civil
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 4917-3:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
© ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023
---------------------- Page: 2 ----------------------
ISO/FDIS 4917-3:2023(E)
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Seismic event . 3
5 Structure analysis . 3
5.1 Basic requirements . 3
5.2 Modeling . 3
5.2.1 General . 3
5.2.2 Geotechnical parameters, dynamic subsoil properties . 4
5.2.3 Material characteristics (parameters) .
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ISO/TC 85/SC 6/WG 3
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Date: 2023-10-28
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Secretariat: DIN
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Design of nuclear power plants against seismic events —
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Part 3:
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Civil structures
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Copyright notice
ThisConception parasismique des installations nucléaires —
Partie 3: Ouvrages de génie civil
FDIS stage
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ISO/FDIS 4917-3:2023(E)
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© ISO 2023 – all rights reserved
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© ISO 2023 – All rights reserved iii
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ISO/FDIS 4917-3:2023(E)
Formatted: Font: 11 pt, Bold
Formatted: Font: Bold, English (United Kingdom)
Formatted: Space After: 0 pt, Tab stops: Not at 9.75 cm
Contents Page
Formatted: Adjust space between Latin and Asian text,
Adjust space between Asian text and numbers, Tab stops:
Not at 0.71 cm + 17.2 cm
Foreword . viii
Introduction.ix
1 Scope . 1
2 Normative references . 1
3 Terms and definitions .
...
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