Lab Services: Soil testing

Lab Services: Soil testing

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Test Method Title

Standard Method of Test for Grain-Size Analysis of Granular Soil Materials

Reference Number

AASHTO T 311

Material

Soil

Test Property

Grain size

Description of Test

This method covers the determination of the particle size distribution of granular soil material. A weighed sample of dry granular soil material is separated through a series of sieves with progressively smaller openings. Particle size distribution is determined by weighing the material retained on each of the sieves and dividing these weights by the total dry weight of the sample.

Preferred Test Sample Size

5 gallon bucket(s)

Number of Test Specimens

1

Test Specimen Size

1000-20000grams, depending on the maximum grain size

Keywords

Grain size, particle-size, sieve analysis

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