This method is intended for determining the in-place density of soils. The apparatus described
herein is restricted to tests in soils containing particles not larger than 50 mm (2 in.) in diameter.
AASHTO T 191-2002 history
2014AASHTO T 191-2014 Standard Method of Test for Density of Soil In-Place by the Sand-Cone Method
2002AASHTO T 191-2002 Standard Method of Test for Density of Soil In-Place by the Sand-Cone Method