Dear SoilModels community
Dear Prof. Masin / all

I want to know how HP model considers Ko variation for the following cases:
Ko with variation with OCR?
Ko determination related to loading and unloading stress path?

Please refer me relevant papers.

Thanks

Regards,
Muhammad Shakeel

Ko-with-OCR.PNG

1 Comment
  1. David Mašín
    David Mašín 3 months ago

    Hi Muhammad,
    For oed compression, model will lead to K0 approximately equal to 1-sin phc.
    For oed unloading, model will predict increase of K0 with OCR, however, this is parameter-specific and cannot be quantified using a simple formula. You have to simulate oedometric undloading test to see what K0 values the model produces.
    Regards David

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