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AS 2758.1:2014
[Current]Aggregates and rock for engineering purposes, Part 1: Concrete aggregates
Provides a basis for specifying requirements for aggregates intended for use in the production of concrete, including precast products.
Published: 07/11/2014
Pages: 25
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Application
3 Referenced documents
4 Definitions
5 Sampling
6 Testing
7 General requirements
7.1 Particle density
7.2 Bulk density of lightweight aggregate
7.3 Water absorption
8 Dimensional requirements
8.1 Particle size distribution (grading)
8.1.1 General
8.1.2 Coarse aggregate
8.1.3 Fine aggregate (natural and manufactured fine aggregate)
8.2 Material finer than 0.075 mm
8.2.1 Coarse aggregate, natural fine aggregate and manufactured fine aggregate
8.2.2 Material finer than 0.002 mm
8.3 Particle shape in coarse aggregate
8.4 Deleterious fines in manufactured fine aggregate
8.4.1 General
8.4.2 Deleterious fines index
9 Durability
9.1 General
9.2 Fine aggregates
9.2.1 Natural fine aggregates
9.2.2 Manufactured fine aggregates
9.2.2.1 General
9.2.2.2 Sodium sulfate loss for manufactured fine aggregate
9.2.2.3 Degradation factor for manufactured fine aggregate
9.3 Coarse aggregates excluding lightweight and ultra-lightweight aggregates
9.3.1 General
9.3.2 Wet strength and wet/dry strength variation
9.3.3 Los Angeles value and sodium sulfate soundness
9.3.4 Los Angeles value and unsound and marginal stone content
10 Alkali-reactive materials
10.1 General
10.2 Aggregate classification
10.3 Notification of aggregate reactivity classification
10.4 Aggregate blends
10.5 Aggregates classified as non-reactive
10.6 Aggregates classified as reactive
11 Weak particles in coarse aggregate
12 Light particles
13 Drying shrinkage
14 Impurities
14.1 Organic impurities
14.2 Sugar
14.3 Soluble salts
14.3.1 General
14.3.2 Chlorides
14.3.3 Sulfates
14.3.4 Other salts
15 Additional requirements for coarse slag aggregates
15.1 Iron unsoundness
15.2 Falling or dusting unsoundness
15.3 Stockpiling of iron blast furnace slag aggregate
16 Additional requirements for coarse lightweight aggregates
16.1 Weak particles
16.2 Loss on ignition
16.3 Variation of bulk density
Appendix A
Appendix B
Appendix C
C1 Background
C2 Alkali-silica reactivity (ASR)
C3 Mitigative procedures
C3.1 General
C3.2 Queensland
C3.3 New South Wales
C3.4 Victoria
Amendment control sheet
AS 2758.1:2014
Amendment No. 1 (2016)
Revised text
Cited references in this standard
[Current]
Methods for sampling and testing aggregates, Method 35: Detection of sugar contamination in concrete aggregates
[Current]
Methods for sampling and testing aggregates, Method 14: Particle shape, by proportional caliper
[Current]
Methods for sampling and testing aggregates, Method 12: Materials finer than 75 µm in aggregates (by washing)
[Current]
Methods for sampling and testing aggregates, Method 11.2: Particle size distribution for vision sizing systems
Content history
[Current]
[Superseded]
DR AS 2758.1
[Superseded]
[Superseded]
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