AS/NZS 2425:2015
Bar chairs in reinforced concrete - Product requirements and test methods
Specifies product requirements for bar chairs and spacers, including their strength, permanent deflection, accuracy of manufacturing within acceptable tolerances (dimensions and stability), identification/batch/supplier traceability, and fixing.
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AS/NZS 2425:2015 BAR CHAIRS IN REINFORCED CONCRETE-PRODUCT REQUIREMENTS AND TEST METHODS
COPYRIGHT
PREFACE
CONTENTS
FOREWORD
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS
3.1 Bar chair
3.2 Batch
3.3 Continuous bar chair
3.4 Cover
3.5 Durability
3.6 Height of chair
3.7 Singular bar chair
3.8 Spacer
3.9 Unit of manufacture (pack)
4 PRODUCT REQUIREMENTS
4.1 General requirements
4.2 Protective-tipped wire bar chairs
4.3 Plastic chairs
4.4 Spacers
4.5 Concrete bar chairs
4.6 Continuous bar chairs
4.7 Product identification
5 TRACEABILITY/MARKING
6 TEST REQUIREMENTS
6.1 General
6.2 Sampling frequency
6.3 Procedure
6.4 Compliance
APPENDIX A - SPECIMEN PREPARATION AND RESULT ADJUSTMENTS FOR RAPID CHLORIDE PENETRATION TESTING
A1 SOURCE
A2 APPARATUS
A2.1 Casting mould
A3 PROCEDURE
A3.1 Sample preparation
A4 CALCULATIONS
A5 REPORTING
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AS/NZS 2425:2015 BAR CHAIRS IN REINFORCED CONCRETE-PRODUCT REQUIREMENTS AND TEST METHODS
COPYRIGHT
PREFACE
CONTENTS
FOREWORD
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS
3.1 Bar chair
3.2 Batch
3.3 Continuous bar chair
3.4 Cover
3.5 Durability
3.6 Height of chair
3.7 Singular bar chair
3.8 Spacer
3.9 Unit of manufacture (pack)
4 PRODUCT REQUIREMENTS
4.1 General requirements
4.2 Protective-tipped wire bar chairs
4.3 Plastic chairs
4.4 Spacers
4.5 Concrete bar chairs
4.6 Continuous bar chairs
4.7 Product identification
5 TRACEABILITY/MARKING
6 TEST REQUIREMENTS
6.1 General
6.2 Sampling frequency
6.3 Procedure
6.4 Compliance
APPENDIX A - SPECIMEN PREPARATION AND RESULT ADJUSTMENTS FOR RAPID CHLORIDE PENETRATION TESTING
A1 SOURCE
A2 APPARATUS
A2.1 Casting mould
A3 PROCEDURE
A3.1 Sample preparation
A4 CALCULATIONS
A5 REPORTING
AS/NZS 2425:2015
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.