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ASTM-D7681:2011 Edition

ASTM-D7681:2011 Edition

$40.63

D7681-11 Standard Test Method for Measuring Gradation of Glass Spheres Using a Flowing Stream Digital Image Analyzer

Published By Publication Date Number of Pages
ASTM 2011 5
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1.1 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.

1.2 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.

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

1.4 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Test Method
Significance and Use
2 Apparatus
Hazards
Sampling, Test Specimens, and Test Units
Preparation of Apparatus
Calibration and Standardization
Conditioning
Procedure
Report
FIG. 1
3 TABLE 1
TABLE 2
TABLE 3
TABLE 4
TABLE 5
TABLE 6
4 TABLE 7
TABLE 8
TABLE 9
TABLE 10
TABLE 11
TABLE 12
5 Precision and Bias
Keywords

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