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Coupling of Structural Additions for the Mitigation of Seismic Response in Existing Buildings

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Seismic Isolation, Energy Dissipation and Active Vibration Control of Structures (WCSI 2022)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 309))

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Abstract

In the present paper, additions in structural steelwork are utilized for giving new life to old buildings in regions characterized by medium/high seismic hazard. Two models are here proposed, i.e.: vertical addition for masonry buildings and lateral addition for r.c. buildings. For the model of vertical addition, the connection between the masonry and steel structures is realized by means of an Intermediate Isolation System (IIS). For the model of lateral addition, an exoskeleton (EXO) is connected to the existing building by means of rigid or flexible and dissipative link. Two buildings, representative of the heterogeneous Italian building stock, are selected as case studies. Parametric analyses are firstly performed on lumped mass models to explore the feasibility and effectiveness of the IIS and EXO systems in reducing the seismic response of the case studies; then, once selected the design configurations of the new additions, more refined 3D FE models are adopted for the detailed analysis of the two solutions.

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Authors and Affiliations

  1. Department of Structures for Engineering and Architecture, University of Naples Federico II, Piazzale Tecchio 80, 80125, Naples, Italy

    Diana Faiella, Mario Argenziano, Francesco Esposito & Elena Mele

Authors
  1. Diana Faiella
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  2. Mario Argenziano
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  3. Francesco Esposito
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  4. Elena Mele
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Corresponding author

Correspondence to Elena Mele .

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Editors and Affiliations

  1. DISEG, Politecnico di Torino, Turin, Italy

    Gian Paolo Cimellaro

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Faiella, D., Argenziano, M., Esposito, F., Mele, E. (2023). Coupling of Structural Additions for the Mitigation of Seismic Response in Existing Buildings. In: Cimellaro, G.P. (eds) Seismic Isolation, Energy Dissipation and Active Vibration Control of Structures. WCSI 2022. Lecture Notes in Civil Engineering, vol 309. Springer, Cham. https://doi.org/10.1007/978-3-031-21187-4_53

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  • DOI: https://doi.org/10.1007/978-3-031-21187-4_53

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-21186-7

  • Online ISBN: 978-3-031-21187-4

  • eBook Packages: EngineeringEngineering (R0)

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