ISO 22762-3:2018

INTERNATIONAL ISO
STANDARD 22762-3
Third edition
2018-10
Elastomeric seismic-protection
isolators —
Part 3:
Applications for buildings —
Specifications
Appareils d'appuis structuraux en élastomère pour protection
sismique —
Partie 3: Applications pour bâtiments — Spécifications
Reference number
©
ISO 2018
© ISO 2018
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.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 3
5 Classification . 6
5.1 General . 6
5.2 Classification by construction . 7
5.3 Classification by tolerance on shear properties . 8
6 Requirement . 8
6.1 General . 8
6.2 Type tests and routine tests. 9
6.3 Functional requirements .10
6.4 Design compressive force and design shear displacement .10
6.5 Performance requirements .11
6.5.1 General.11
6.5.2 Compressive properties .12
6.5.3 Shear properties .13
6.5.4 Tensile properties .13
6.5.5 Dependencies of shear properties .14
6.5.6 Dependencies of compressive properties .15
6.5.7 Shear displacement capacity .16
6.5.8 Durability .16
6.6 Rubber material requirements .17
6.6.1 General.17
6.6.2 Tensile properties .17
6.6.3 Properties after ageing in air .17
6.6.4 Hardness .18
6.6.5 Ozone resistance .19
6.6.6 Other properties .19
6.7 Dimensional requirements .19
6.8 Requirements on steel used for flanges and reinforcing plates .20
6.9 Requirement on lead material for LRB .21
7 Design rules .21
7.1 General .21
7.2 Shape factor .21
7.2.1 First shape factor .21
7.2.2 Second shape factor .22
7.3 Compression and shear properties .22
7.3.1 Compressive stiffness .22
7.3.2 Shear stiffness and equivalent damping ratio .22
7.4 Ultimate properties .23
7.4.1 Stability at zero displacement .23
7.4.2 Stability and failure under large shear displacements .24
7.4.3 Roll-out properties of isolators with recessed or dowelled connections
(Type III) .24
7.4.4 Tensile properties .25
7.5 Reinforcing steel plates.26
7.6 Connections .26
8 Manufacturing tolerances .26
8.1 General .26
8.2 Measuring instruments .27
8.3 Plan dimensions .27
8.3.1 Measurement method .27
8.3.2 Tolerances .28
8.4 Product height .28
8.4.1 Measurement method .28
8.4.2 Tolerances .29
8.5 Flatness .29
8.5.1 Measurement method .29
8.5.2 Tolerances .30
8.6 Horizontal offset .30
8.7 Plan dimensions of flanges .30
8.8 Flange thickness .31
8.9 Tolerances on positions of flange bolt holes .31
9 Marking and labelling .32
9.1 General .32
9.2 Information to be provided .32
9.3 Additional requirements .32
9.4 Marking and labelling examples .33
10 Test methods .33
11 Quality assurance .
...