AS 2758.0:2020 pdf free.Aggregates and rock for engineering purposes Part 0: Glossary and general series information.
This document sets out essential definitions for aggregates used throughout the AS 2758 Aggregate and rock for engineering purposes series. The document includes a number of informative appendices that may assist in naming rock types and their appearance when crushed. A scheme for identifying unsound stone is appended which may be used If no alternate scheme Is provided in contractual documents. Similarly, a sampling scheme is suggested if no sampling scheme for aggregate supply has been included in contract documents.
NOTE 1 Guidance on typical sampling is given in Appendix A.
NOTE 2 Information on aggregate naming, shape and texture Is given In Appendix B.
NOTE 3 Recommended limits for establishing unsound stone are given In Appendix C.
2 Normative references
There are no normative references in this document.
NOTE Documents referenced for informative purposes are listed in the Bibliography.
3 Terms and definitions
For the purposes of this series, the following terms and definitions apply.
3.1 aggregate
granular material produced from crushed rock, gravel, sand, metallurgical slag or reclaimed material, used in in civil construction products and engineering works
3.1.1 coarse aggregate
aggregate in which the majority of particles are retained on a 4.75 mm AS sieve
3.1.2 fine aggregate
aggregate, formed naturally in sand deposits or purpose-made by crushing and processing, in which the majority of particles pass a 4.75 mm AS sieve
Note I to entry: Purpose-made aggregate is known as manufactured sand.
3.1.3 graded aggregate
aggregate in which more than 15 % (by mass) of the total material is retained on at least each of three consecutive sieve sizes in a set
3.2 may
indicates the existence of an option
3.3 nominal size
designation of an aggregate that indicates the largest size particle present
3.4 percentage
comparative relationship that is generally expressed on the basis of mass
3.5 proportion
See 3.4
3.6 ratio
See 3.4
3.7 sample
material recovered in accordance with AS 1141.3.1, AS 1141.3.2 or the works specification and is forwarded for examination or testing or both
Note 1 to entry: In most cases, the sample is representative of the parent material and is derived from combining sample increments and then dividing into a suitable amount for examination or testing.
Note 2 to entry: Occasionally, a sample may represent a contaminant in the parent material, or it may be derived from a single increment.AS 2758.0 pdf download.
Tags: Aggregates and rock for engineering purposes
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