Lab Services: Aggregate testing

Lab Services: Aggregate testing

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Test Method Title

Standard Test Method for Sand Equivalent Value of Soils and Fine Aggregate

Reference Number

ASTM D2419

Material

Aggregate

Test Property

Sand Equivalent

Description of Test

A measured volume of soil or fine aggregate and a small quantity of flocculating solution are poured into a graduated plastic cylinder and are agitated to loosen the clay-like coatings from the sand particles in the test specimen. The specimen is then irrigated using additional flocculating solution forcing the clay-like material into suspension above the sand. After a prescribed sedimentation period, the height of flocculated clay is read and the height of sand in the cylinder is determined. The sand equivalent is the ratio of the height of sand to the height of clay times 100.

Preferred Test Sample Size

10 kg

Number of Test Specimens

2

Test Specimen Size

100 g

Keywords

Sand, equivalent

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