AASHTO PP 74-12 Standard Practice for Determination of Size and Roundness of Glass Beads Used in Traffic Markings by Means of Computerized Optical Method
standard by American Association of State and Highway Transportation Officials, 2012
This practice describes measuring size and roundness of translucent glass beads used in traffic markings with computerized optical equipment. This practice is intended for glass beads from 0.15 mm to 2.35 mm in diameter.
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Published: 2012 Number of Pages: 9File Size: 1 file , 940 KB