Verstärken von Tragwerken und Baudenkmalen / Strengthening of Structures and Monuments

The author analyzes the different behavior of structures and monuments under restoration works with different types and levels of technical interventions from the safeguard to their strengthening. The article also deals with the concept of seismic protection following the new strategies of the modern seismic engineering and with the new technologies for reducing the seismic risk. Various examples are presented in the text.