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.
