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    Chemical admixtures for concrete, mortar and grout Admixtures for concrete (Reconfirmed 2018)

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  04-10-2000

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    1 - AS 1478.1-2000 CHEMICAL ADMIXTURES FOR CONCRETE, MORTAR AND GROUT - ADMIXTURES FOR CONCRETE
    4 - PREFACE
    5 - CONTENTS
    6 - SECTION 1 SCOPE AND GENERAL
    6 - 1.1 SCOPE
    6 - 1.2 APPLICATION
    6 - 1.3 REFERENCED DOCUMENTS
    7 - 1.4 DEFINITIONS
    7 - 1.4.1 Acceptance testing
    7 - 1.4.2 Admixture
    7 - 1.4.3 Composite sample
    7 - 1.4.4 Control mix
    7 - 1.4.5 Grab sample
    7 - 1.4.6 Lot
    7 - 1.4.7 Test mix
    8 - 1.4.8 Uniformity testing
    8 - 1.5 TYPES AND SYMBOLS
    8 - 1.6 PACKAGING
    8 - 1.7 INFORMATION TO BE SUPPLIED
    9 - 1.8 MARKING
    10 - SECTION 2 PROPERTIES OF ADMIXTURES
    10 - 2.1 ADMIXTURES OTHER THAN AIR-ENTRAINING ADMIXTURES
    10 - 2.1.1 General acceptance testing
    10 - 2.1.2 Requirements
    10 - 2.1.3 Uniformity testing
    11 - 2.2 AIR-ENTRAINING ADMIXTURES
    11 - 2.2.1 General acceptance testing
    11 - 2.2.2 Requirements
    11 - 2.2.3 Uniformity testing
    13 - SECTION 3 GENERAL TEST REQUIREMENTS
    13 - 3.1 SCOPE OF SECTION
    13 - 3.2 GENERAL ACCEPTANCE TESTS
    13 - 3.2.1 General
    13 - 3.2.2 Cement
    13 - 3.2.3 Aggregates
    13 - 3.2.4 Reference air-entraining admixture
    14 - 3.3 SPECIFIC ACCEPTANCE TESTS FOR ADMIXTURES
    14 - 3.4 CONCRETE MIXES FOR GENERAL ACCEPTANCE TESTS
    14 - 3.4.1 Number of batches and specimens
    15 - 3.4.2 Proportioning of concrete mixes
    15 - 3.4.3 Dose rate of admixture
    16 - SECTION 4 TEST METHODS
    16 - 4.1 SCOPE OF SECTION
    16 - 4.2 PREPARATION OF TEST SPECIMENS
    16 - 4.3 TEST METHODS
    16 - 4.3.1 Tests on freshly mixed concrete
    16 - 4.3.2 Tests on hardened concrete
    16 - 4.4 TEST REPORT
    18 - APPENDIX A - SAMPLING PROCEDURE
    18 - A1 SCOPE
    18 - A2 SAMPLE SIZE AND REPRESENTATION
    18 - A3 ACCEPTANCE TESTING SAMPLE
    18 - A4 UNIFORMITY TESTING SAMPLE
    18 - A5 SAMPLING LIQUID ADMIXTURES
    18 - A5.1 Sampling at point of manufacture
    19 - A5.2 Sampling at point of delivery
    19 - A6 SAMPLING SOLID (POWDER) ADMIXTURES
    19 - A7 PACKAGING AND STORAGE OF SAMPLES
    19 - A8 MIXING AND PREPARATION OF COMPOSITE SAMPLES
    19 - A9 IDENTIFICATION
    21 - APPENDIX B - INFORMATION ON CHEMICAL ADMIXTURES FOR USE IN CONCRETE
    21 - B1 SCOPE
    21 - B2 DESCRIPTIONS AND TYPES OF ADMIXTURE
    21 - B2.1 Admixture
    21 - B2.2 Air-entraining admixture (Type AEA)
    21 - B2.3 Water-reducing admixture (Type WR)
    21 - B2.4 Set-retarding admixture (Type Re)
    21 - B2.5 Set-accelerating admixture (Type Ac)
    21 - B2.6 Water-reducing and set-retarding admixture (Type WRRe)
    21 - B2.7 Water-reducing and set- accelerating admixture (Type WRAc)
    21 - B2.8 High range water-reducing admixture (Type HWR)
    22 - B2.9 High range water-reducing and set- retarding admixture (Type HWRRe)
    22 - B2.10 Medium-range, water-reducing admixture (Type MWR)
    22 - B2.11 Special purpose normal-setting admixture (Type SN)
    22 - B2.12 Special purpose set-retarding admixture (Type SRe)
    22 - B2.13 Special purpose set-accelerating admixture (Type SAc)
    22 - B3 USE OF ADMIXTURES
    22 - B4 CLASSES OF ADMIXTURE
    24 - B5 ACTION OF ADMIXTURES
    24 - B5.1 General
    24 - B5.2 Effect of different cements
    24 - B5.3 Importance of mixing sequence
    25 - B5.4 Effects of temperature
    25 - B5.5 Effects of overdoses
    25 - B5.6 Storage
    26 - B5.7 Effect of batch size and mixing action
    26 - B5.8 Steam curing
    26 - B5.9 Compatibility of admixtures
    26 - B5.10 Volume change
    27 - B5.11 Durability of concrete
    27 - B6 AIR-ENTRAINING ADMIXTURES
    28 - B7 WATER-REDUCING AND SET-CONTROLLING ADMIXTURES
    28 - B8 HIGH RANGE WATER-REDUCING AND SET-CONTROLLING ADMIXTURES
    28 - B8.1 Applications
    28 - B8.2 General characteristics
    29 - B8.3 Formwork
    29 - B8.4 Placing
    29 - B8.5 Compaction
    29 - B8.6 High range water reduction
    29 - B9 SET-ACCELERATING ADMIXTURES
    29 - B9.1 General
    29 - B9.2 Principal effects on concrete
    30 - B9.3 Use of calcium chloride
    31 - B9.4 Cold weather concreting
    31 - B10 MID-RANGE WATER-REDUCING ADMIXTURES
    32 - B11 SPECIAL PURPOSE ADMIXTURES
    32 - B11.1 General
    32 - B11.2 Types of special purpose admixtures
    34 - B12 TESTING OF ADMIXTURES FOR GENERAL ACCEPTANCE AND UNIFORMITY
    34 - B13 FURTHER INFORMATION
    36 - APPENDIX C - DETERMINATION OF CHLORIDE ION CONTENT IN ADMIXTURES
    36 - C1 SCOPE
    36 - C2 APPARATUS
    36 - C3 SELECTIVE ION ELECTRODE METHOD
    36 - C3.1 Application
    36 - C3.2 Principle
    36 - C3.3 Reagents
    37 - C3.4 Procedure
    37 - C3.5 Calculation
    37 - C4 POTENTIOMETRIC METHOD
    37 - C4.1 Application
    37 - C4.2 Principle
    38 - C4.3 Reagents
    38 - C4.4 Procedure
    38 - C4.5 Calculation
    39 - C5 RECORDS
    40 - APPENDIX D - INFORMATION ON THICKENING ADMIXTURES FOR USE IN CONCRETE, MORTAR AND GROUT
    40 - D1 SCOPE
    40 - D2 DESCRIPTION
    40 - D2.1 Thickening admixture
    40 - D3 CLASSES
    40 - D4 METHODS OF USING THICKENING ADMIXTURES
    41 - D5 EFFECTS ON PROPERTIES OF FRESH AND HARDENED MIXTURES
    42 - D6 USE OF THICKENING ADMIXTURES
    42 - D7 TESTING
    43 - APPENDIX E - INFORMATION ON SHRINKAGE- REDUCING AND SHRINKAGE-COMPENSATING ADMIXTURES FOR USE IN CONCRETE, MORTAR AND GROUT
    43 - E1 SCOPE
    43 - E2 DESCRIPTION
    43 - E2.1 Shrinkage-reducing admixture
    43 - E2.2 Shrinkage-compensating admixture
    43 - E3 USES
    43 - E4 TYPES OF SHRINKAGE-REDUCING ADMIXTURES
    44 - E5 TYPES OF SHRINKAGE-COMPENSATING ADMIXTURES
    44 - E5.1 Gas generating admixtures
    45 - E5.2 Admixtures that modify the cement hydration process
    45 - E5.3 Lime-based admixtures
    45 - E5.4 Additional information
    47 - APPENDIX F - INFORMATION ON PERMEABILITY-REDUCING ADMIXTURES FOR USE IN CONCRETE, MORTAR AND GROUT
    47 - F1 SCOPE
    47 - F2 USE OF TERMS
    47 - F3 DESCRIPTION
    47 - F3.1 Permeability-reducing admixture
    47 - F4 CLASSES
    47 - F5 USE OF ADMIXTURES
    48 - F6 MOISTURE TRANSMISSION
    48 - F6.1 General
    49 - F6.2 Moisture transmission through slabs
    49 - F7 EFFECTS ON OTHER PROPERTIES OF CONCRETE
    49 - F7.1 User to determine
    49 - F7.2 Results of side effect
    50 - F8 PRODUCTION OF LOW-PERMEABILITY CONCRETE
    50 - F8.1 Permeability-reducing admixtures
    50 - F8.2 Cementitious materials
    50 - F8.3 Aggregate
    50 - F8.4 Shrinkage and temperature movements
    50 - F8.5 Placement of concrete
    50 - F8.6 Curing
    51 - REFERENCES
    51 - General
    51 - Testing

    Abstract - (Show below) - (Hide below)

    Sets out the requirements for chemical admixtures to be added to concrete mixes incorporating portland and blended cements.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for chemical admixtures to be added to concrete mixes incorporating portland and blended cements.NOTES: 1 Sampling procedures are given in Appendix A.2 Information on admixtures for use in concrete is given in Appendix B.3 Guide to determine the chloride ion content in admixtures is given in Appendix C.4 Information on thickening admixtures is given in Appendix D.5 Information on shrinkage-reducing and shrinkage-compensating admixtures is given in Appendix E.6 Information on permeability-reducing admixtures is given in Appendix F.7 Admixtures that have been acceptance tested and approved to AS 14781992 and that meet the requirements of this Standard do not require re-assessment.

    General Product Information - (Show below) - (Hide below)

    Committee BD/33
    Document Type Standard
    Product Note Reconfirmed 14/09/2018.
    This standard has been reconfirmed in Australia in 2018 and remains current in New Zealand. Reconfirmation Notice 14/09/2018
    Publisher Standards Australia
    Status Current
    Supersedes

    History - (Show below) - (Hide below)

    First published in part as AS A173-1969.
    AS CA58 first published 1969.
    AS A173-1969 revised and redesignated AS 1478-1973.
    AS CA58-1969 revised and redesignated AS 1479-1973.
    AS A173-1969 withdrawn 1976.
    AS CA58-1969 withdrawn 1976.
    AS 1478-1973 and AS 1479-1973 revised, amalgamated and redesignated as AS 1478-1992.
    Revised and redesignated as AS 1478.1-2000.
    Reconfirmed 2018. Originated in part as part of AS A173-1969 and AS CA58-1969. Previous edition AS1478-1992. Revised and redesignated AS 1478.1-2000.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 2350.2-1991 Methods of testing portland and blended cements - Chemical composition of portland cement
    AS 1012.3.1-1998 Methods of testing concrete Determination of properties related to the consistency of concrete - Slump test
    AS 3972-1997 Portland and blended cements
    AS 1379-1997 Specification and supply of concrete
    AS 1012.4.3-1999 Methods of testing concrete Determination of air content of freshly mixed concrete - Measuring air volume when concrete dispersed in water
    AS 1012.4.2-1999 Methods of testing concrete Determination of air content of freshly mixed concrete - Measuring reduction in air pressure in chamber above concrete
    AS 2758.1-1998 Aggregates and rock for engineering purposes - Concrete aggregates
    AS 2162.1-1996 Verification and use of volumetric apparatus General - Volumetric glassware
    AS 1012.9-1999 Methods of testing concrete Determination of the compressive strength of concrete specimens
    AS 1012.4.1-1999 Methods of testing concrete Determination of air content of freshly mixed concrete - Measuring reduction in concrete volume with increased air pressure
    AS 1152-1993 Specification for test sieves
    AS 1012.13-1992 Methods of testing concrete Determination of the drying shrinkage of concrete for samples prepared in the field or in the laboratory
    AS/NZS 2350.8:1999 Methods of testing portland and blended cement - Fineness index of portland cement by air permeability method
    AS 1012.8.1-2000 Methods of testing concrete Method for making and curing concrete - Compression and indirect tensile test specimens
    AS 3799-1998 Liquid membrane-forming curing compounds for concrete (Reconfirmed 2018)
    AS 1012.18-1996 Methods of testing concrete Determination of setting time of fresh concrete, mortar and grout by penetration resistance (Reconfirmed 2014)
    AS 1012.6-1999 Methods of testing concrete Method for the determination of bleeding of concrete
    AS 1012.5-1999 Methods of testing concrete Determination of mass per unit volume of freshly mixed concrete

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 1085.14-2012 Railway track material Prestressed concrete sleepers
    AS/NZS 3500.4:2015 Plumbing and drainage Heated water services
    AS/NZS 3500.2:2018 Plumbing and drainage Sanitary plumbing and drainage
    AS 1597.1-2010 Precast reinforced concrete box culverts Small culverts (not exceeding 1200 mm span and 1200 mm height)
    AS/NZS 3500.1:2018 Plumbing and drainage Water Services
    AS 3600-2001 Concrete structures
    AS 4139-2003 Fibre-reinforced concrete pipes and fittings (Reconfirmed 2018)
    AS 1597.2-2013 Precast reinforced concrete box culverts Large culverts (exceeding 1200 mm span or 1200 mm height and up to and including 4200 mm span and 4200 mm height)
    AS/NZS 3500.5:2012 Plumbing and drainage Housing installations
    AS 3958.1-2007 Ceramic tiles Guide to the installation of ceramic tiles
    AS/NZS 4058:2007 Precast concrete pipes (pressure and non-pressure)
    AS/NZS 3500.4:2003 Plumbing and drainage Heated water services
    AS/NZS 3500.2:2003 Plumbing and drainage Sanitary plumbing and drainage
    AS 2050-2002 Installation of roof tiles
    AS 3700:2018 Masonry Structures
    AS/NZS 3500.3:2003 Plumbing and drainage Stormwater drainage
    AS 1379-2007 Specification and supply of concrete
    AS 1085.14-2003 Railway track material Prestressed concrete sleepers
    AS 3700-2001 Masonry structures
    AS 3700-2011 Masonry structures
    AS 3600:2018 Concrete structures
    AS/NZS 3500.3:2018 Plumbing and drainage Stormwater drainage
    AS 5100.5:2017 Bridge design Concrete
    AS/NZS 3500.5:2000 National Plumbing and Drainage - Domestic installations
    AS 2049-2002 Roof tiles
    AS 3600-2009 Concrete structures
    AS/NZS 3500.4:2018 Plumbing and drainage Heated water services
    AS 3996:2019 Access covers and grates
    AS/NZS 3500.1:2003 Plumbing and drainage Water services
    AS/NZS 3500.3:2015 Plumbing and drainage Stormwater drainage
    AS 1478.2-2005 Chemical admixtures for concrete, mortar and grout Methods of sampling and testing admixtures for concrete, mortar and grout (Reconfirmed 2018)
    AS 3850-2003 Tilt-up concrete construction
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