Smart Structures and Systems

  • 제30권6호
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  • Pages.627-637
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  • 2022
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  • 1738-1584(pISSN)
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  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
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The influences of equivalent viscous damping ratio determination on direct displacement-based design of un-bonded post-tensioned (UPT) concrete wall systems

  • Anqi, Gu (Department of Mechanical Engineering, University of Canterbury) ;
  • Shao-Dong, Shen (Disaster Prevention Research Institute, Kyoto University)
  • 투고 : 2022.05.12
  • 심사 : 2022.09.25
  • 발행 : 2022.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

Recent years, direct displacement-based design (DDBD) procedure is proposed for the design of un-bonded posttensioned (UPT) concrete wall systems. In the DDBD procedure, the determination of the equivalent viscous damping (EVD) ratio is critical since it would influence the strength demand of the UPT wall systems. Nevertheless, the influence of EVD ratio determination of the UPT wall systems were not thoroughly evaluated. This study was aimed to investigate the influence of different EVD ratio determinations on the DDBD procedure of UPT wall systems. Case study structures with four, twelve and twenty storeys have been designed with DDBD procedure considering different EVD ratio determinations. Nonlinear time history analysis was performed to validate the design results of those UPT wall systems. And the simulation results showed that the global responses of the case study structures were influenced by the EVD ratio determination.

키워드

과제정보

The authors are grateful for financial support from Japan Society for the Promotion of Science (Grant No. P22371), and the financial support provided by a Rutherford Discovery Fellowship.

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