Earthquakes and Structures

  • 제11권2호
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  • Pages.245-264
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  • 2016
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

A dominant vibration mode-based scalar ground motion intensity measure for single-layer reticulated domes

  • Zhong, Jie (Key Laboratory of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology) ;
  • Zhi, Xudong (Key Laboratory of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology) ;
  • Fan, Feng (Key Laboratory of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology)
  • 투고 : 2015.04.23
  • 심사 : 2016.07.12
  • 발행 : 2016.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

A suitable ground motion intensity measure (IM) plays a crucial role in the seismic performance assessment of a structure. In this paper, we introduce a scalar IM for use in evaluating the seismic response of single-layer reticulated domes. This IM is defined as the weighted geometric mean of the spectral acceleration ordinates at the periods of the dominant vibration modes of the structure considered, and the modal strain energy ratio of each dominant vibration mode is the corresponding weight. Its applicability and superiority to 11 other existing IMs are firstly investigated in terms of correlation with the nonlinear seismic response, efficiency and sufficiency using the results of incremental dynamic analyses which are performed for a typical single-layer reticulated dome. The hazard computability of this newly proposed IM is also briefly discussed and illustrated. A conclusion is drawn that this dominant vibration mode-based scalar IM has the characteristics of strong correlation, high efficiency, good sufficiency as well as hazard computability, and thereby is appropriate for use in the prediction of seismic response of single-layer reticulated domes.

키워드

과제정보

연구 과제 주관 기관 : National Natural Science Foundation of China, China Scholarship Council

참고문헌

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피인용 문헌

  1. Sensitivity of Seismic Response and Fragility to Parameter Uncertainty of Single-Layer Reticulated Domes pp.2093-6311, 2018, https://doi.org/10.1007/s13296-018-0057-3
  2. An ESED method for investigating seismic behavior of single-layer spherical reticulated shells vol.13, pp.5, 2016, https://doi.org/10.12989/eas.2017.13.5.455
  3. The dynamic response and seismic damage of single-layer reticulated shells subjected to near-fault ground motions vol.14, pp.5, 2016, https://doi.org/10.12989/eas.2018.14.5.399