I am trying to model the base layer using Drucker-Prager (D-P) model but I have only the triaxial results (in terms of cell pressure and Peak stress) which I used in calculation the friction angle, flowstress ration and I assumed dilation angle (15degree since the material is stabilized with cement). However, using the software I discovered that I still need to input the D-P hardening parameters such as Yield Stress and the Absolute Strain? Please kindly help with tips in getting this parameters Thanks

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