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ASTM D7681

Standard Test Method for Measuring Gradation of Glass Spheres Using a Flowing Stream Digital Image Analyzer

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Organization: ASTM
Publication Date: 1 January 2011
Status: inactive
Page Count: 6
ICS Code (Road construction materials): 93.080.20
scope:

This test method covers the determination of the gradation (size distribution) of glass spheres used in pavement marking systems using a Flowing Stream Digital Analyzer. Typical gradations for pavement marking systems are defined in ranges from Type 0 through 5 in AASHTO M247-08.

This test method provides for the presentation of the size data in a variety of formats to the requirements of the agency pavement marking material specification. For most specifications the standard format is to present the size data as "Percent Retained" or "Percent Passing" relative to a series of standard US sieve sizes.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

January 1, 2011
Standard Test Method for Measuring Gradation of Glass Spheres Using a Flowing Stream Digital Image Analyzer
This test method covers the determination of the gradation (size distribution) of glass spheres used in pavement marking systems using a Flowing Stream Digital Analyzer. Typical gradations for...
January 1, 2011
Standard Test Method for Measuring Gradation of Glass Spheres Using a Flowing Stream Digital Image Analyzer
This test method covers the determination of the gradation (size distribution) of glass spheres used in pavement marking systems using a Flowing Stream Digital Analyzer. Typical gradations for...
ASTM D7681
January 1, 2011
Standard Test Method for Measuring Gradation of Glass Spheres Using a Flowing Stream Digital Image Analyzer
This test method covers the determination of the gradation (size distribution) of glass spheres used in pavement marking systems using a Flowing Stream Digital Analyzer. Typical gradations for...

References

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