The concrete design is linked to the materials of the Concrete and Reinforcing Steel category, which have to be created in the model. The information on how to define materials and access the extensive material library can be found in Chapter Materials and Material Library of the RFEM manual.
The following subchapters explain the settings for the material in the table as well as special features of the material categories "concrete" and "reinforcing steel", such as creep and shrinkage.