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  • 1.  Best Slope Stability analysis software?

    Posted 01-03-2021 09:07 AM
    Hi everyone: I recently saw a posting asking about best pdf software, which had a number of very useful replies.  I'm hoping to get similar guidance on which software/programs people are using to model and analyze slope stability?  I'm aware of programs from Slope/W, Geo5, and Rocscience, but have only ever used Slope/W (years ago) and would like your input on which of these (or any others) are best these days?  I'm working in a (very) small consulting engineering firm and need software that's packs as much value as possible, and is user-friendly.  Thanks very much for any and all feedback!
    Garnet Brenchley, P.Eng.
    Ontario, Canada

    Garnet Brenchley P.Eng, M.ASCE
    Cavan ON

  • 2.  RE: Best Slope Stability analysis software?

    Posted 01-04-2021 03:02 PM
    Edited by Tirza Austin 01-04-2021 03:02 PM
    Hi Garnet,

    The software you mention in your post uses the limit equilibrium method. If you would like an approach without the limitations of limit equilibrium methods, please consider FLAC/Slope. 

    FLAC/Slope is a special, streamlined version of FLAC for evaluating the factor of safety (FoS) of soil and rock slopes in two dimensions with simple and fast model setup and analysis execution. FLAC/Slope can simulate stability problems under a wide variety of slope conditions, including: arbitrary slope geometries, multiple layers, pore pressure conditions, heterogeneous soil properties, surface loading, and structural reinforcement.

    FLAC/Slope is now available for free. A fully functional version of FLAC/Slope can be download at: https://www.itascacg.com/contact-itasca/request-free-flacslope-software.

    Best wishes with your project!


    Lee Petersen, Principal
    Itasca Consulting Group

    David Petersen M.ASCE
    Minneapolis MN