Lab Services: Soil testing
Lab Services: Soil testing
Back to ResultsTest Method Title
Standard Method of Test for Moisture-Density Relations of Soils Using a 2.5-kg (5.5-lb) Rammer and a 305-mm (12-in.) Drop
Reference Number
AASHTO T 99
Material
Soil
Test Property
Maximum dry density, optimum moisture content
Description of Test
This method of test is intended for determining the relationship between the moisture content and density of soils when compacted in a given mold of a given size with a 2.5-kg (5.5-lb) rammer dropped from a height of 305 mm (12 in. ).
Preferred Test Sample Size
5 gallon bucket
Number of Test Specimens
5
Test Specimen Size
2300-5600 grams
Keywords
Compaction, density, modified effort, modified proctor test, moisture-density curves, soil compaction
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