List of Contributions

Can anyone explain the relation between the R and Cd factors? Where does the Cd factor come from? I understand that the R factor is the force reduction factor due to the ductility of the system, and the Cd factor is the way to return up to the real deformation of the system. However, I still have questions ...

I am modeling a new building in ETABS, and adding Wall Viscous Dampers ir order to control drift My concern is about the design of the elements that holds the dampers, and the other frames that do not have dampers. My thought is to give capacity to the elements receiving the dampers in the elatstic range ...