Lab Services: Soil testing

Lab Services: Soil testing

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Test Method Title

Moisture-Density Relations of Soil-Cement Mixtures

Reference Number

AASHTO T 134

Material

Soil-Cement

Test Property

Maximum dry density, optimum moisture content

Description of Test

A soil-cement mixture is compacted at selected water contents in three equal layers into a mold of given dimensions, with each layer compacted by 25 blows of a 5.5 lb rammer dropped from a distance of 12-in. The resulting dry unit weight is determined. The procedure is repeated for a sufficient number of water contents to establish a relationship between the dry unit weight and the water content for the soil-cement mixture. This data, when plotted, represent a curvilinear relationship known as the compaction curve. The values of optimum water content and modified maximum dry unit weight are determined from the compaction curve.

Preferred Test Sample Size

5 gallon bucket

Number of Test Specimens

5

Test Specimen Size

2300-5600 grams

Keywords

maximum density, optimum moisture content, compaction characteristics, treatability, solidification, bench-scale

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