Hello, I am trying to model on Plaxis 3D a haul road with a load in movement and my question are: -What would be the best model to create a layer of MOT type 1 material (unit weight: 20kN/m3, D100=90mm and D50=36mm)

haul road modelisation

  • Dear Maxime,

    The choice of modelling a material depends on the behaviour and properties of the material. MOT Type 1 is geotechnically not a single material as it can consist of limestone, granite and even crushed concrete. Hence, you would have to have an idea how this material behaves under loading to see if modelling it using Mohr-Coulomb would be sufficient or that you would better move into modelling it with Hardening Soil.

    With kind regards,

    Dennis Waterman