Geotechnical engineering, explained.
Real drawings with the engineering behind them, a failure casebook, plain-language definitions and free pile design tools: GeoMan is a working reference for geotechnical engineers, students and graduates in Australia, New Zealand and the UK, with talks, CPD sessions and technical illustration when you need more.
Free design tool
Pile drivability analysis, free and instant
The only free pile drivability tool on the web: run the numbers while you size the pile, not after. No install, no sign-up, no cost.
- Wave equation driveability with a hammer database
- Driving formulas (Gates, ENR) for quick checks
- PDA and CAPWAP verification aids, vibro mode
- SI and US units, side by side
Latest sheets
All 108 published sheets are in the library, with their topics and write-ups.
Browse by topic
Look up a term
The glossary explains the terms the site uses, with regional notes for Australian, New Zealand and UK practice. Open the glossary.


