.. _U4.42.08:

**u4.42.08** Operator CALC_BT
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**Summary:**

The CALC_BT command makes it possible to automatically create and optimize a Connecting Rods structure based on evol_elas or evol_noli results from 2D modeling in stress or plane deformation (C_ PLAN, D_ PLAN). The aim is to calculate the reinforcement of a concrete structure.

For more details on the method you can consult the documentation [:ref:`R7.04.06 <R7.04.06>`] "Automated tie rod method for the calculation of reinforcement.




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    self

.. toctree::
    :maxdepth: 2
    :numbered:

    Syntaxe
    Op_randes
    Exemple_d_utilisation