ASTM D5821
Standard Test Method for Determining the Percentage of Fractured Particles in Coarse Aggregate
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About This Item
ASTM D5821 is the ASTM standard for determining the percentage of fractured particles in coarse aggregate, a test that helps quantify the angularity and break characteristics of aggregate materials. This measurement is commonly used to support material selection, quality control, and compliance decisions where coarse aggregate performance matters. By providing a consistent way to evaluate fractured particles, ASTM D5821 helps buyers, producers, and testing labs compare materials more reliably.
What is ASTM D5821?
ASTM D5821, titled Standard Test Method for Determining the Percentage of Fractured Particles in Coarse Aggregate, establishes a laboratory or field test approach for assessing how much of a coarse aggregate sample consists of fractured particles. The standard is used to support a more consistent evaluation of aggregate shape and surface characteristics. In practice, it gives users a defined technical method for measuring a property that can influence handling, performance, and acceptance of aggregate materials.
Where is ASTM D5821 used?
This standard is commonly used in aggregate production, materials testing, and construction quality control workflows where coarse aggregate is being evaluated before use. It is relevant to laboratories, producers, inspectors, and procurement teams that need a clear method for checking aggregate conformance. ASTM D5821 may also be used when comparing delivered materials or verifying that aggregate meets project or specification requirements tied to fractured particle content.
Why is ASTM D5821 important?
ASTM D5821 helps create a consistent basis for evaluating coarse aggregate, which supports more dependable acceptance decisions and reduces uncertainty in material selection. Because fractured particle content can be tied to aggregate quality expectations, the test method is useful for compliance checks, specification review, and quality control programs. Using a recognized ASTM standard also helps align testing practices across suppliers, laboratories, and projects.
- Measures fractured particles in coarse aggregate
- Supports aggregate quality control
- Useful for specification and compliance checks
- Helps compare material consistency
- Applies to testing of coarse aggregate samples
- Publication Date: 2023-05-08
- Publisher: ASTM
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