1.1. These methods of test are intended for determining the relation between the moisture content and
density of soils compacted in a mold of a given size with a 2.5-kg (5.5-lb) rammer dropped from a
height of 305 mm (12 in.). Four alternate procedures
AASHTO T 99-2001 history
2021AASHTO T 99-2021 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
2015AASHTO T 99-2015 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
2010AASHTO T 99-2010 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
2001AASHTO T 99-2001 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