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Investigation on the reasonable area of energy-dissipation bars for hybrid rocking columns

 Investigation on the reasonable area of energy-dissipation bars for hybrid rocking columns
Auteur(s): , ,
Présenté pendant IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, publié dans , pp. 1407-1414
DOI: 10.2749/ghent.2021.1407
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In recent years, hybrid rocking columns have drawn more and more interests from researchers, due to their self-centering capacity. The energy-dissipation bars, which are generally applied at the ro...
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Détails bibliographiques

Auteur(s): (Tongji University, Shanghai, CHINA)
(Tongji University, Shanghai, China)
(Tongji University, Shanghai, China)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021
Publié dans:
Page(s): 1407-1414 Nombre total de pages (du PDF): 8
Page(s): 1407-1414
Nombre total de pages (du PDF): 8
DOI: 10.2749/ghent.2021.1407
Abstrait:

In recent years, hybrid rocking columns have drawn more and more interests from researchers, due to their self-centering capacity. The energy-dissipation bars, which are generally applied at the rocking joints of hybrid rocking columns, could improve their energy dissipation capacities. Thus, the reasonable reinforcement ratio of energy-dissipation bars is much required for engineering applications. To determine the reasonable reinforcement ratio of energy-dissipation bars, a numerical investigation is conducted in this paper based on nonlinear time-history analysis. The analysis results show that a reasonable reinforcement ratio of energy-dissipation bars can effectively reduce seismic displacements of the hybrid rocking columns, without excessive residual deformations. Further, the reasonable reinforcement ratio of energy-dissipation bars for hybrid rocking columns with different periods is proposed in this paper.

Copyright: © 2021 International Association for Bridge and Structural Engineering (IABSE)
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