What it is
A sample of known volume is weighed and its moisture content is accounted for.
Public test guide
Soil bulk density
Measures how much dry soil mass is contained in a known total volume.
Plain-language explanation
What the test tells you.
The project specification controls the exact method and acceptance requirement.
What is used
Undisturbed or prepared specimen, callipers or volume mould, balance and drying equipment.
What it determines
Bulk and, where required, dry density of the soil specimen.
Why it matters
Supports settlement, compaction, permeability and mass-volume calculations used in geotechnical assessment.
Typical test sequence
From sample
to result.
- 01
Measure or control the specimen volume
- 02
Determine moist mass and moisture content
- 03
Calculate bulk and dry density
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