A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Non-iterative Hysteretic Bracings Design Procedure for Retrofitting of RC Frames
A direct, i.e., non-iterative, displacement-based method for retrofitting reinforced concrete frames through hysteretic dissipative bracings is proposed. The objective of the direct design procedure is to limit the frame interstorey drifts to prevent damage in the existing columns, thanks to the added stiffness and energy dissipation of the bracings. A simplified representation of the braced frame is adopted, a so-called stick model. The stiffness and damping of each braced storey are obtained by equivalent linearization. The method allows obtaining, at each storey, an optimal design of stiffness and damping of the bracing system. The design methodology has been compared with two literature methods on three retrofitted RC frames. A performance objective index has been used that provides a fair comparison of the three methods in terms of cost and design effectiveness.
Non-iterative Hysteretic Bracings Design Procedure for Retrofitting of RC Frames
A direct, i.e., non-iterative, displacement-based method for retrofitting reinforced concrete frames through hysteretic dissipative bracings is proposed. The objective of the direct design procedure is to limit the frame interstorey drifts to prevent damage in the existing columns, thanks to the added stiffness and energy dissipation of the bracings. A simplified representation of the braced frame is adopted, a so-called stick model. The stiffness and damping of each braced storey are obtained by equivalent linearization. The method allows obtaining, at each storey, an optimal design of stiffness and damping of the bracing system. The design methodology has been compared with two literature methods on three retrofitted RC frames. A performance objective index has been used that provides a fair comparison of the three methods in terms of cost and design effectiveness.
Non-iterative Hysteretic Bracings Design Procedure for Retrofitting of RC Frames
Lecture Notes in Civil Engineering
Ilki, Alper (editor) / Çavunt, Derya (editor) / Çavunt, Yavuz Selim (editor) / Rahmat Rabi, Raihan (author) / Monti, Giorgio (author) / Vailati, Marco (author)
International Symposium of the International Federation for Structural Concrete ; 2023 ; Istanbul, Türkiye
2023-06-03
10 pages
Article/Chapter (Book)
Electronic Resource
English
Reliability based retrofitting of rc-frames with hysteretic devices
| British Library Conference Proceedings | 1993
DESIGN AND CONSTRUCTION OF REINFORCED CONCRETE FRAMES USING STEEL BRACINGS
| BASE | 2018
Dissipative bracings for seismic protection of multistorey frames
| British Library Conference Proceedings | 1995