ISO 22762-2:2018
(Main)Elastomeric seismic-protection isolators — Part 2: Applications for bridges — Specifications
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- 26-Sep-2018
- 83.140.99
- 93.040
- ISO/TC 45/SC 4
Elastomeric seismic-protection isolators — Part 2: Applications for bridges — Specifications
This document specifies minimum requirements and test methods for elastomeric seismic isolators used for bridges, as well as rubber material used in the manufacture of such isolators. It is applicable to elastomeric seismic isolators used to provide bridges with protection from earthquake damage. The isolators covered consist of alternate elastomeric layers and reinforcing steel plates, which are placed between a superstructure and its substructure to provide both flexibility for decoupling structural systems from ground motion and damping capability to reduce displacement at the isolation interface and the transmission of energy from the ground into the structure at the isolation frequency.
Appareils d'appuis structuraux en élastomère pour protection sismique — Partie 2: Applications pour ponts — Spécifications
General Information
Relations
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 22762-2
Third edition
2018-10
Elastomeric seismic-protection
isolators —
Part 2:
Applications for bridges —
Specifications
Appareils d'appuis structuraux en élastomère pour protection
sismique —
Partie 2: Applications pour ponts — Spécifications
Reference number
ISO 22762-2:2018(E)
©
ISO 2018
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ISO 22762-2:2018(E)
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© ISO 2018
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ii © ISO 2018 – All rights reserved
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ISO 22762-2:2018(E)
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 . 6
5.3 Classification by tolerances on shear stiffness . 7
6 Requirements . 7
6.1 General . 7
6.2 Type tests and routine tests. 7
6.3 Functional requirements .10
6.4 Design compressive force and design shear displacement .10
6.5 Performance requirements .10
6.5.1 General.10
6.5.2 Compressive properties .11
6.5.3 Rotation properties .
...
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