Used to determine the in-place density and unit weight of natural inorganic soil deposits and compacted or firmly bonded soil using a rubber balloon apparatus
Use as a means of acceptance for compacted fill or embankments constructed of fine-grained soils or granular soils without appreciable amounts of rock or coarse material
Used for the determination of the in-place density and unit weight of undisturbed or in situ soils, provided the soil will not deform under the pressures imposed during the test
