![What is a Semi-Rigid Diaphragm?](https://blog.risa.com/hs-fs/hubfs/Imported_Blog_Media/semi01_edited.jpg?width=700&name=semi01_edited.jpg)
March 10, 2015
What is a Semi-Rigid Diaphragm?
RISAFloor Concrete Floor Slabs can design be transferred into RISA-3D for lateral design using either a Rigid Diaphragm or Semi-Rigid diaphragm. In RISA-3D, the wind and seismic loads are calculated and then applied into the diaphragm level to distribute the forces to the Lateral Resisting System.