ASTM D6913

Full Name

ASTM D6913 – Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis


Soils consist of particles with various shapes and sizes. This test method is used to separate particles into size ranges and to determine quantitatively the mass of particles in each range. These data are combined to determine the particle-size distribution (gradation).

This test method uses a square opening sieve criterion in determining the gradation of soil between the 3-in. (75-mm) and No. 200 (75-µm) sieves.


gradation; grain size; particle size; particle-size distribution; sieve analysis; sieving

ASTM D6913 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM D6913 standard.

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