AS/NZS 2425:2015

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