Experimental data modelling off-road vehicle travel

[Geegeegee]

Hi everyone,
I am looking for any available experimental data which models off-road vehicle travel in clay and measures tyre and soil parameters. Parameters I am looking for include pull, torque, shear strength of the soil, sinkage, slip and deflection. If anyone knows of any available raw data from experiments which have been conducted in the past it would be of great help as I am finding it difficult to find anything of relevance!

 

[Dr. Courtney]

Soil is tough to model in an off road traction sense.