ISO 22762-6:2022
Elastomeric seismic-protection isolators — Part 6: High-durability and high-performance specifications and test methods
This document specifies specifications and test methods for elastomeric seismic isolators used for buildings to guarantee high durability and high performance.
It is applicable to elastomeric seismic isolators used to provide buildings with protection from earthquake damage. The isolators covered consist of alternate elastomeric layers and reinforcing steel plates. They 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.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Classification
6 Requirements
6.1 General
6.2 Type tests and routine tests
6.3 Functional requirements
6.4 Design compressive force and design shear displacement
6.5 Performance requirements
6.5.1 General
6.5.2 Compressive properties
6.5.3 Shear properties
6.5.4 Tensile properties
6.5.5 Dependencies of shear properties
6.5.6 Dependencies of compressive properties
6.5.7 Shear displacement capacity
6.5.8 Durability
6.6 Test pieces for type testing
6.6.1 General
6.6.2 Number of test pieces
6.6.3 Scale of test pieces
6.7 Rubber material requirements
6.8 Dimensional requirements
6.9 Requirements on steel used for flanges and reinforcing plates
6.10 Requirements on lead material for LRB
7 Marking and labelling
7.1 General
7.2 Information to be provided
7.3 Additional requirements
7.4 Marking and labelling examples
8 Test methods
8.1 General
8.2 Various dependence tests
8.2.1 Repeated deformation dependence of shear properties
8.2.2 Horizontal biaxial loading dependency
8.2.3 Dependence of compression properties on shear strain
8.3 Ultimate properties under horizontal biaxial loading test
8.3.1 Principle
8.3.2 Test machine
8.3.3 Test piece
8.3.4 Test conditions
8.3.5 Procedure
8.3.6 Expression of results
8.3.7 Test report
8.4 Tensile testing
8.4.1 Allowable tensile strain
8.4.2 Shear strain dependency of tensile yield strength
8.4.3 Shear strain dependency of allowable tensile strain
8.4.4 Tensile fracture strain
8.5 Durability
8.5.1 Cumulative shear strain
8.5.2 Horizontal shear creep test and residual shear strain test
9 Quality assurance
Annex A (informative) Shear displacement capacity of various elastomeric seismic-protection isolators
Annex B (informative) Example of the test method for ultimate properties under horizontal biaxial loading
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Classification
6 Requirements
6.1 General
6.2 Type tests and routine tests
6.3 Functional requirements
6.4 Design compressive force and design shear displacement
6.5 Performance requirements
6.5.1 General
6.5.2 Compressive properties
6.5.3 Shear properties
6.5.4 Tensile properties
6.5.5 Dependencies of shear properties
6.5.6 Dependencies of compressive properties
6.5.7 Shear displacement capacity
6.5.8 Durability
6.6 Test pieces for type testing
6.6.1 General
6.6.2 Number of test pieces
6.6.3 Scale of test pieces
6.7 Rubber material requirements
6.8 Dimensional requirements
6.9 Requirements on steel used for flanges and reinforcing plates
6.10 Requirements on lead material for LRB
7 Marking and labelling
7.1 General
7.2 Information to be provided
7.3 Additional requirements
7.4 Marking and labelling examples
8 Test methods
8.1 General
8.2 Various dependence tests
8.2.1 Repeated deformation dependence of shear properties
8.2.2 Horizontal biaxial loading dependency
8.2.3 Dependence of compression properties on shear strain
8.3 Ultimate properties under horizontal biaxial loading test
8.3.1 Principle
8.3.2 Test machine
8.3.3 Test piece
8.3.4 Test conditions
8.3.5 Procedure
8.3.6 Expression of results
8.3.7 Test report
8.4 Tensile testing
8.4.1 Allowable tensile strain
8.4.2 Shear strain dependency of tensile yield strength
8.4.3 Shear strain dependency of allowable tensile strain
8.4.4 Tensile fracture strain
8.5 Durability
8.5.1 Cumulative shear strain
8.5.2 Horizontal shear creep test and residual shear strain test
9 Quality assurance
Annex A (informative) Shear displacement capacity of various elastomeric seismic-protection isolators
Annex B (informative) Example of the test method for ultimate properties under horizontal biaxial loading
Bibliography