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Field Services: Soil testing

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Test Method Title

Standard Method of Test for Density of Soil In-Place by the Sand-Cone Method

Reference Number

AASHTO T 191

Material

Field Soil

Test Property

In-place density and unit weight

Description of Test

A test hole is hand excavated in the soil to be tested and all the material from the hole is saved in a container. The hold is filled with free-flowing sand of known density, and the volume is determined. The wet density of the material is determined by dividing the wet mass of the soil removed by the volume of the hole. The water content of the soil is determined and the dry mass of the material and the in-place density are calculated.

Preferred Test Sample Size

6-inch-diamter by 6-10 -inch deep hole is typical.

Number of Test Specimens

project specific

Test Specimen Size

1-2 pounds

Keywords

sand cone, density, compaction, in-place density

For more information, contact GeoTesting Express:



Atlanta

770.645.6575


Boston

978.635.0424


Chicago

224.676.1371


New York

212.566.6630



info@geotesting.com

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