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Seismic Response of RC Frames with Steel-Concrete Truss Beams Equipped with Beam-To-Column and Column-To-Foundation Friction Damper Connections

  • Autori: Colajanni P.; La Mendola L.; Monaco A.; Pagnotta S.
  • Anno di pubblicazione: 2023
  • Tipologia: Contributo in atti di convegno pubblicato in volume
  • OA Link:


Friction DamperDevices (FDDs) at the Beam-to-Column Connections (BCCs) are a suitable solution to prevent losses of performance due to cracking and bond losses caused by the high percentage of reinforcement that characterize the panel zone of Moment Resistant Frames with Hybrid Steel Trussed-Concrete Beams (HSTCBs). Here it will be shown that excellent seismic performance can be obtained only when FDDs at the BCCs are used in conjunction with self-centering dissipative connections at the column bases. To this aim, comparison of the seismic performance of traditional and innovative RC structures built using HSTCBs is performed, focusing on the different level of damage experienced by RC beams, columns and panel node zones belonging to traditional and innovative frames.