FAQ 003239 | When solving the serviceability limit state by a nonlinear method, I get the option ...

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When selecting the nonlinear method of check in the serviceability limit state design, there is the option to export the stiffness of the already cracked structure. Is it possible to recalculate the internal forces with these stiffnesses?


You can activate the export of nonlinear stiffness of a cracked structure in Settings for Nonlinear Calculation of the RF‑CONCRETE Members or RF‑CONCRETE Surfaces add-on modules. In the Edit Load Cases and Combinations dialog box, select "Extra options" for the selected combinations. A new tab appears where you can activate the transfer of stiffnesses from the add-on modules.


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  • Updated 04/03/2020

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