British Standards Institution

Source:: ISO
Committee:: B/517/1 - Concrete production and testing
Categories:: Standardization. General rules | Measurement and Science | Metrology and measurement | Testing | Particle size analysis. Sieving | Construction | Construction materials and building | Construction materials | Concrete and concrete products

Scope

This International Standard describes the reference washing and dry sieving method used for testing and in case of dispute, for determination of the particle size distribution of aggregates. For other purposes, other methods may be used provided that an appropriate working relationship with the reference method has been established. It applies to all aggregates, including lightweight aggregates, up to 90 mm nominal size, but excluding filler.

Purpose

This test method for aggregates is important for concrete construction works in general. This method will ensure better quality of aggregates are used in concrete industry.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

29/08/2019

Proposal end date:

28/10/2019

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

ISO/TC 71/SC 1 N 379, ISO/NP 20290-5 Aggregates for concrete -- Test methods for geometrical properties -- Part 5: Determination of particle size distribution -- Sieving method

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