ASTM D1883

Full Name

ASTM D1883 – Standard Test Method for California Bearing Ratio (CBR) of Laboratory-Compacted Soils


This test method covers the determination of the California Bearing Ratio (CBR) of pavement subgrade, subbase, and base course materials from laboratory compacted specimens.

The test method is primarily intended for, but not limited to, evaluating the strength of materials having maximum particle size less than 3/4 in. (19 mm).


California Bearing Ratio; CBR; pavement subgrade; subbase; strength; pavement design

ASTM D1883 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM D1883 standard.

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