ASTM D4791

• Used to determine the percentages of flat particles, elongated particles, or flat and elongated particles in coarse aggregates.

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– According to ASTM, both Method A
and Method B can be performed
using AG-037, while:

 –Method A , is a reflection of the original procedure as developed prior to Superpave and is intended for all non-
Superpave applications.

-Method B, is a comparison of the maximum particle dimension to the minimum particle dimension and is intended for
use with Superpave specifications.

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