California Bearing Ratio (CBR) Test
A practical guide to laboratory and field CBR testing, specimen condition, result interpretation and the distinction between CBR and DCP tes...
Geotechnical
Geotechnical engineering resources covering soil mechanics, foundations, and site investigation.
Footing Inspection
What a footing inspection covers before concrete placement, common issues found, and the step-by-step process engineers follow on site.
Compaction Testing (Level 1 & Level 2)
The difference between Level 1 (supervised) and Level 2 (periodic) compaction testing, and the process used to verify earthworks per AS 1289...
Site/Lot Classification (AS 2870)
How site classification under AS 2870 determines soil reactivity for residential slabs and footings, from desktop study through to reporting...
Slope Stability Assessment
When a slope stability assessment is required and how it's carried out, from desktop study to stability analysis, per AS 1726 and AS 4678.
Dynamic Cone Penetrometer (DCP) Testing
Dynamic Cone Penetrometer (DCP) testing explained: equipment, procedure, DPI interpretation and CBR correlation per AS 1289.6.3.
Field density testing by using a nuclear density gauge
How nuclear density gauges measure in-situ soil density and moisture on Australian sites, with test procedure and reporting per AS 1289.5.8.
Relative Compaction Formula and Worked Example
How to calculate relative compaction from field dry density and reference maximum dry density, including a worked example and important limi...
Earthworks Testing
Learn how earthworks testing verifies cut, fill and compaction quality on Australian construction sites, in line with AS 1289 field and lab...