Soil Testing & Geotechnical Insights
Field notes, testing explainers and project write-ups from our NATA-aligned lab and site teams.
What Is a Cone Penetration Test (CPT)?
A cone penetration test pushes an instrumented cone into the ground to profile soil strength and type continuously with depth — fast,…
Read article →What Is a Penetrometer?
A penetrometer measures how much a soil resists being pushed into — a quick, practical field tool used for site classification, compaction…
Read article →What’s an Atterberg Limit Test?
The Atterberg limit test measures how a clay or silt soil behaves as its moisture content changes — critical data for footing,…
Read article →The Importance of Soil Electrical Resistivity Testing in Australia
Beyond earthing safety, soil electrical resistivity testing underpins pipeline corrosion protection, solar and wind farm design, and geotechnical investigations across Australia's varied…
Read article →Why Soil Resistivity Testing Is Critical for Safe Earthing in Australia
Earthing systems only work if the surrounding soil can actually carry a fault current safely away — here's why resistivity testing is…
Read article →From North to South Queensland: How Soil Variations Impact Earthing Resistivity Testing
Queensland's soils range from tropical lateritic clays in the north to cracking black soils inland and sandy coastal profiles in the south-east…
Read article →How Soil Moisture Changes Thermal and Electrical Performance
Dry versus wet soil behaves very differently underground — here's how moisture content affects thermal resistivity and electrical resistivity, and why designers…
Read article →Step-by-Step Soil Thermal Resistivity Field Testing Process
How thermal resistivity field testing is actually carried out on-site, from route marking to the final dry-out curve, and why field data…
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