Field Soil
Dry density and moisture content of in-situ soil
A small hole is dug in the soil layer of interest and the soil removed is retained. The volume of the hole is determined by filling the hole with a free flowing sand of known density and the volume is determined. The in-place wet density of the soil is determined by dividing the wet mass of the removed material by the volume of the hole. The water content of the material from the hole is determined and the dry mass of the materials and the in-place dry density are calculated using the wet mass of the soil, the water content and the volume of the hole.
project specific
dependent upon maximum particle size; typically between 0.05 and 0.1 cubic feet
sand cone, density, compaction
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