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AS 1478.2-2005


Chemical admixtures for concrete, mortar and grout, Part 2: Methods of sampling and testing admixtures for concrete, mortar and grout

Sets out procedures for sampling admixtures or packaged grouts and mortars containing admixtures, and testing mortar and grout mixes containing admixtures.
Published: 25/02/2005
Pages: 33
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Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
2 Sampling
2.1 Sample size
2.2 Grab samples
2.3 Packaging of samples
2.4 Composite samples
2.5 Acceptance testing sample
2.6 Labelling of samples
3 Materials
3.1 Materials for general acceptance tests
3.1.1 General
3.1.2 Cement
3.1.3 Aggregate
3.1.4 Water
3.1.5 Premixed materials
3.2 Materials and mixes for tests for specific uses
3.2.1 Admixtures
3.2.2 Pre-mixed materials
3.2.3 Mixing procedure
4 Testing
4.1 General
4.1.1 Mixing
4.1.2 Consistency Mixture with aggregate greater than 7 mm Mixtures with 7 mm maximum aggregate
4.1.3 Air content
4.1.4 Density
4.2 Records
4.3 Report
Appendix A
A1 Scope
A2 Principle
A3 Apparatus and equipment
A3.1 General
A3.2 Moulds
A4 Testing of concrete, mortar or grout
A4.1 Test room conditions
A4.2 Making of test specimens
A4.2.1 Preparation of moulds
A4.2.2 Mixing procedures
A4.2.3 Moulding specimens
A4.3 Subsequent treatment
A4.4 Time of testing
A4.5 Records
A4.6 Report
Appendix B
B1 Scope
B2 Principle
B3 Apparatus
B3.1 General
B3.2 Drying chamber
B3.3 Moulds
B3.3.1 General
B3.3.2 Construction of the mould
B3.4 Gauge studs
B3.5 Length gauge
B3.6 Tamping bar (hand compaction)
B3.7 Vibrator
B3.8 Mallet
B3.9 Length comparator
B3.9.1 General
B3.9.2 Check of precision
B3.9.3 Reference bar
B4 Sampling and test specimens
B4.1 Sampling
B4.1.1 Field sampling
B4.1.2 Laboratory sampling
B4.2 Preparation of test specimens
B4.2.1 General
B4.2.2 Size and shape of standard test specimens
B4.2.3 Identification of specimens
B5 Procedure
B5.1 Measurement of consistency
B5.2 Moulding specimens
B5.2.1 Moulding procedure
B5.2.2 Compaction by tamping
B5.2.3 Compaction by vibration
B5.3 Curing of specimens
B5.3.1 Initial curing in moulds
B5.3.1.1 General
B5.3.1.2 Initial curing under standard conditions
B5.3.1.3 Storage of specimens in the field
B5.3.1.4 Initial curing under non-standard conditions
B5.3.2 Demoulding of specimens
B5.3.2.1 General
B5.3.2.2 Acceptance criteria
B5.3.2.3 Identification of specimens
B5.3.3 Standard moist curing
B5.3.4 Transport of specimens to the measuring laboratory
B5.4 Drying and measurement of specimens
B5.4.1 General
B5.4.2 Setting the length comparator
B5.4.3 Initial measurements
B5.4.3.1 Horizontal comparator
B5.4.3.2 Vertical comparator
B5.4.4 Subsequent measurements
B6 Calculation and expression of results
B7 Precision for laboratory-prepared specimens
B8 Records
B9 Report
Appendix C
C1 Scope
C2 Principle
C3 Apparatus
C3.1 General
C3.2 Flow cone
C3.3 Calibration of the apparatus
C4 Test procedure
C5 Record
C6 Report
Appendix D
D1 Scope
D2 Principle
D3 Apparatus
D4 Calibration of flow trough
D5 Procedure
D6 Record
D7 Report
Appendix E
E1 Scope
E2 Principle
E3 Apparatus
E4 Procedure
E5 Records
E6 Report
Cited references in this standard
Methods of testing portland, blended and masonry cements, Method 12: Preparation of a standard mortar and moulding of specimens
Methods of testing concrete, Method 9: Compressive strength tests — Concrete, mortar and grout specimens
Methods of testing concrete, Method 13: Determination of the drying shrinkage of concrete for samples prepared in the field or in the laboratory
Methods of testing concrete, Method 18: Determination of setting time of fresh concrete, mortar and grout by penetration resistance
Chemical admixtures for concrete, mortar and grout, Part 1: Admixtures for concrete
Content history
DR 01073
AS 1478.2-2005 REC:2018