ASTM D2166

Full Name

ASTM D2166 – Standard Test Method for Unconfined Compressive Strength of Cohesive Soil


This test method covers the determination of the unconfined compressive strength of cohesive soil in the intact, remolded, or reconstituted condition, using strain-controlled application of the axial load.


cohesive soil; sensitivity; strain-controlled loading; strength; stress-strain relationships; unconfined compression

ASTM D2166 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM D2166 standard.

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