This standard ( Part 9 ) lays down the method for the determination of the dry density-moisture content relation of soil passing 4.75 mm IS Sieve, using constant mass of soil on oven dry basis in the compacted mass.
IS 2720 Pt.9-1992 history
1992IS 2720 Pt.9-1992 Soil Test Methods Part 9 Determination of Dry Density-Moisture Content Relationship by Soil Constant Mass Method
1972IS 2720 Pt.9-1971 Soil Test Methods Part Ⅸ Determination of Soil Dry Density-Moisture Content Relationship Soil Constant Weight Method