What is BS EN 933-7 - Percentage of shells in coarse aggregates about?
BS EN 933-7 is a European Standard that specifies a method for the determination of shell content of coarse aggregates. BS EN 933-7 applies to gravel or mixed aggregate containing gravel.
The test method specified in BS EN 933-7 is applicable to particle size fractions di/Di where Di # 63 mm and di $ 4 mm.
For aggregate sizes with D > 63 mm and/or d < 4 mm the test may be carried out on particle size fractions di/Di where Di # 63 mm and di $ 4 mm.
Who is BS EN 933-7 - Percentage of shells in coarse aggregates for?
BS EN 933-7 on the percentage of shells in coarse aggregates is useful for:
- Aggregate processors and suppliers
- Quality control personnel
- Builders / real estate developers / architects
- Civil / building / construction engineers
- Project managers
- Contractors
- Relevant local authorities
- Roadway / highway / airport authorities
- Specialists and researchers
Why should you use BS EN 933-7 - Percentage of shells in coarse aggregates?
Aggregates give volume, stability, resistance to wear or erosion, and other desired physical properties to the finished product.
BS EN 933-7 walks you through the test for the percentage of shells in coarse aggregates by providing you with details such as apparatus, preparation of the test portion, the procedure, the calculation, the expression of results, and the preparation of the test report.
Using BS EN 772-2 guidelines, you are able to determine the percentage shells in coarse aggregates. This lets you plan your mixtures accordingly.