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Specific Gravity

Test Method

AASHTO Designation: T 100, “Standard Method of Test for Specific Gravity of Soils"

Summary of Test Method

Specific gravity is the ratio of the mass in air of a given volume of a material at a stated temperature to the mass in air of the same volume of gas-free distilled water at a stated temperature.

The specific gravity of a soil is used in almost every equation expressing the phase relationship of air, water, and solids in a given volume of material.

Minimum Sample Size

0.5 lb

Last Updated September 29, 2005

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