BS EN 933-5:2022 - Tests for Geometrical Properties of Aggregates

Standard Number: BS EN 933-5:2022

Pages: 24

Released: 2022-11-07

ISBN: 978 0 539 14644 8

Status: Standard

Overview

The BS EN 933-5:2022 standard is an essential document for professionals in the construction and materials testing industries. This standard outlines the methods for determining the percentage of crushed particles in coarse and all-in natural aggregates. It is a critical resource for ensuring the quality and consistency of aggregates used in construction projects.

Key Features

• Comprehensive Testing Methods: The standard provides detailed procedures for accurately determining the percentage of crushed particles in aggregates, ensuring reliable and repeatable results.
• Applicable to Various Aggregate Types: Whether you are working with coarse or all-in natural aggregates, this standard covers the necessary testing methods to assess their geometrical properties.
• Quality Assurance: By adhering to the guidelines set forth in this standard, you can ensure that the aggregates used in your projects meet the required quality standards, contributing to the overall durability and performance of the construction.
• Up-to-Date Information: Released on 2022-11-07, this standard reflects the latest advancements and best practices in the field of aggregate testing.

Detailed Description

The BS EN 933-5:2022 standard is a vital tool for anyone involved in the production, testing, and use of aggregates in construction. Aggregates are a fundamental component of concrete and asphalt, and their quality directly impacts the strength, durability, and longevity of the final product. This standard provides a systematic approach to determining the percentage of crushed particles, which is a key indicator of aggregate quality.

Crushed particles in aggregates are preferred in many construction applications because they provide better interlocking and bonding properties compared to rounded particles. This leads to improved mechanical properties and stability of the construction materials. The BS EN 933-5:2022 standard ensures that the testing methods used to determine the percentage of crushed particles are accurate, consistent, and reliable.

The standard is divided into several sections, each detailing a specific aspect of the testing process. It includes guidelines on sample preparation, testing equipment, and the procedures to be followed during the testing. By following these guidelines, professionals can ensure that their testing methods are in line with industry standards, leading to more reliable and comparable results.

Benefits of Using BS EN 933-5:2022

• Enhanced Quality Control: Implementing the testing methods outlined in this standard helps in maintaining strict quality control over the aggregates used in construction, ensuring that they meet the required specifications.
• Improved Construction Performance: Using aggregates with a higher percentage of crushed particles can enhance the performance of concrete and asphalt, leading to more durable and long-lasting structures.
• Compliance with Industry Standards: Adhering to the BS EN 933-5:2022 standard ensures that your testing methods are compliant with the latest industry standards, which is crucial for regulatory and certification purposes.
• Cost-Effective: By ensuring the quality of aggregates, this standard helps in reducing the risk of construction failures and the associated costs of repairs and maintenance.

Who Should Use This Standard?

The BS EN 933-5:2022 standard is designed for a wide range of professionals in the construction and materials testing industries, including:

• Construction Engineers
• Materials Testing Laboratories
• Quality Control Managers
• Aggregate Producers
• Regulatory Authorities

Conclusion

In conclusion, the BS EN 933-5:2022 standard is an indispensable resource for anyone involved in the testing and use of aggregates in construction. It provides a comprehensive and reliable method for determining the percentage of crushed particles, ensuring that the aggregates used in your projects meet the highest quality standards. By following the guidelines set forth in this standard, you can enhance the performance and durability of your construction materials, leading to more successful and cost-effective projects.

BS EN 933-5:2022

This standard BS EN 933-5:2022 Tests for geometrical properties of aggregates is classified in these ICS categories:

• 91.100.15 Mineral materials and products

This document specifies the reference method, used for type testing and in case of dispute, for the determination of the percentages of crushed particles, totally crushed particles and totally rounded particles in coarse and all-in natural aggregates. Other methods can be used for other purposes, such as factory production control, provided that an appropriate working relationship with the reference method has been established. NOTE 1 Examples of advanced test methods can be found in the Bibliography. This document applies to coarse aggregates comprising particles within size fraction 4/63 mm. It does not apply to lightweight aggregates. NOTE 2 For coarse aggregate between 4 mm and 20 mm the percentages of crushed surfaces are linked to the flow coefficient and can therefore be used in association with the test method specified in EN 933 6. Clause 7.1 specifies the procedure for test portions consisting of one size fraction and Clause 7.2 specifies the procedure for test portions consisting of two or more size fractions. Guidance for the estimated mass of various size fractions with about 100 particles is given in informative Annex A. Examples of application of the test procedure and an example of a test data sheet are given in informative Annexes B and C.