In accordance with 4.5.6.2 and 4.5.6.3 , the modeling of slabs as fully rigid or semi-rigid is determined by user selection.

  • The analysis model of the slabs modeled by selecting the fully rigid diaphragm is created automatically.

  • The analysis model of the slabs modeled by selecting the semi-rigid diaphragm is created automatically.

Flexible and Rigid Diaphragm Types

In the TBDY 2018 Analysis Settings Wizard, regulations are checked and other options are automatically turned off when a semi-rigid diaphragm is required .