Testing
Density Testing Requirements
Understanding compaction testing requirements for civil construction.
Density Testing Methods
- Sand replacement - AS 1289.5.3.1 (standard method)
- Nuclear density gauge - AS 1289.5.8.1 (quick field method)
- Water replacement - AS 1289.5.3.2 (coarse materials)
Typical Requirements
Compaction requirements vary by material and location:
- Earthworks fill - typically 95-100% SMDD
- Structural fill - typically 98-100% SMDD
- Pavement layers - typically 98-100% MMDD
- Pipe bedding/haunch - typically 95% SMDD
Testing Frequency
Testing frequency is specified per lot or area:
- Earthworks: typically 1 per 500-1000m²
- Pavements: typically 1 per 250-500m²
- Trenches: typically 1 per layer per 50m
Automate Test Result Verification
a.pe checks density results against specification requirements.
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