ASTM D7428
Standard Test Method for Resistance of Fine Aggregate to Degradation by Abrasion in the Micro-Deval Apparatus
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About This Item
ASTM D7428 is the ASTM standard for evaluating the resistance of fine aggregate to degradation by abrasion in the Micro-Deval apparatus. It provides a consistent way to assess how fine aggregate performs when subjected to controlled abrasive action, helping users compare material durability in a repeatable test format. This makes it a useful technical document for quality control, material selection, and performance verification where abrasion resistance is an important concern.
Purpose of ASTM D7428
The purpose of ASTM D7428 is to define a standardized test method for measuring abrasion-related degradation in fine aggregate using the Micro-Deval apparatus. By using a controlled procedure, the standard supports more consistent test results across laboratories and projects. It is commonly used when evaluating whether fine aggregate meets expected performance characteristics for engineering and construction applications. ASTM D7428 helps reduce ambiguity in testing and gives buyers, specifiers, and producers a common basis for review.
Common use cases of ASTM D7428
ASTM D7428 is commonly used in aggregate testing programs where fine aggregate durability must be evaluated before acceptance or use. It may support product qualification, specification compliance, and routine quality control for materials intended for construction-related applications. The standard is also useful in laboratory workflows that compare aggregate sources or monitor changes in material performance over time. In these settings, the Micro-Deval apparatus provides a repeatable method for abrasion testing under controlled conditions.
Why ASTM D7428 matters
ASTM D7428 matters because abrasion resistance can influence whether fine aggregate performs as expected in service. A standardized test method helps improve consistency in procurement, acceptance testing, and technical review. It also supports clearer communication between producers, laboratories, engineers, and specifiers. By using a recognized ASTM standard, organizations can reduce testing variability and make better-informed decisions about material suitability, especially when quality control and performance documentation are important.
- Fine aggregate abrasion resistance
- Micro-Deval apparatus testing
- Material qualification and acceptance
- Quality control and consistency checks
- Performance evaluation for aggregate sources
- Publication Date: 2023-05-04
- Publisher: ASTM
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