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Re: [Question #699362]: The uniaxial compression experiment fails to reach the critical state

 

Question #699362 on Yade changed:
https://answers.launchpad.net/yade/+question/699362

    Status: Open => Needs information

Jan Stránský requested more information:
Hello,

> The uniaxial compression ...
> After isotropic consolidation, the confining pressure remains unchanged in the X and Y directions ...

usually "uniaxial compression", uniaxial stress etc. refers to a scenario, where the lateral stress is zero.
This I would call triaxial compression.

> Usually, the critical state can be reached at 25% of the axial strain.

Please be more specific.
What is "usually"? In experiments? simulations?

> Why is this?

Because of the combination of packing, material model and loading :-)

Cheers
Jan

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