• Composite structure
• coupled shear wall
• experimental test
• hybrid structure
• INNO-HYCO

This thesis develops part of the proposed work within the European RFCS project INNO-HYCO [58], helping to increase the knowledge level on hybrid structures, for the construction of feasible and easy repairable earthquake proof buildings characterized by effective global and local dissipative mechanisms.In particular, in the present work, the attention is focused on the analysis and modeling of the innovative hybrid coupled shear wall systems (HCSW), obtained coupling an RC wall with two side steel columns by means of steel links where the energy dissipation takes place.In order to validate the hypotheses used to execute the analyses of the case studies, an experimental campaign on scaled specimens of the links is being carried out. Geometrical characteristics of the link as well as the other element within the connection are shown in the next chapters. Cyclic tests are first carried out on configurations in which the links should undergo plasticization while the wall remains undamaged; a second set of tests is thus performed to assess the over-strengthened connection between wall and link.
The ultimate purpose is to verify the actual post-elastic energy dissipation capacity of the link, comparing the results obtained from the analysis of the constitutive model with those derived from the experimental tests, carried out in the laboratories of the University of Pisa. The experimental results will be used to calibrate theoretical models capable of capturing the dissipative behavior of the links.