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AS 21815.1:2023 identically adopts and modifies ISO 21815 1:2022, which provides terminology and general guidance on the principles of collision warning and collision avoidance systems for earth moving machinery, mobile underground mining machinery and road construction machinery.

Sets out method for the determination of particle size distribution in coarse and fine aggregates by sieving. The amount passing a 75 μm sieve may be determined using this method when samples are washed over a 75 μm sieve. If the percentage of material passing a 75 μm sieve is specified, the procedures detailed in Clause 6.6 of this method or in AS 1141.12 apply. KEYWORDS: Aggregates; Particle; Size; Sieving.

AS 4691.1:2023 specifies functional requirements for laser devices that are used to measure the speed of vehicles for purpose of, but not limited to, personal, industry, scientific and law enforcement.

Provides guidance on complaint management within all types of organizations, including the planning, design, implementation, operation, maintenance and improvement of a complaint management system.

This Standard sets out the method for determining the angularity number of an aggregate. The angularity number is a measure of relative angularity based on the percentage voids in an aggregate after compaction in the prescribed manner.

This Standard sets out the method for the determination of the degradation factor of fine aggregate or the fine portion of a mixed aggregate. It categorizes the fines produced by selfabrasion in the presence of water.

This Standard sets out the counting method for determining the average least dimension of aggregate particles by the use of vernier callipers or dial gauge or a slotted gauge. The method is applicable to aggregate of nominal size 10 mm and greater for sprayed bituminous surfacing.

Specifies the method for determining particle density, apparent particle density and water absorption of aggregate substantially retained on a 4.75 mm sieve by soaking in water, weighing surface dry, weighing in a pycnometer and weighing oven dry.

This Standard sets out the method for the determination of the Ball mill value of rock spalls, drill cores and ripped or broken rock.

Sets out requirements for basic equipment used in the performance of tests of the AS 1141 (AS/NZS 1141) series. Calibration and maintenance requirements for equipment are included in this Standard, which are intended to apply to the equipment listed in this Method and to equipment required in other parts of the AS 1141 (AS/NZS 1141) series.