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ASTM C131 – Standard Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine


This test method covers a procedure for testing of coarse aggregates with a maximum size smaller than 37.5 mm ([11⁄2 in.] for resistance to degradation using the Los Angeles testing machine.


abrasion; aggregate (coarse; small size); degradation; impact; Los Angeles machine

ASTM C131 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM C131 standard.

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