Earthquakes and Structures

  • 제13권3호
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  • Pages.221-230
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  • 2017
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Optimal intensity measures for probabilistic seismic demand models of RC high-rise buildings

  • Pejovic, Jelena R. (Faculty of Civil Engineering, University of Montenegro) ;
  • Serdar, Nina N. (Faculty of Civil Engineering, University of Montenegro) ;
  • Pejovic, Radenko R. (Faculty of Civil Engineering, University of Montenegro)
  • 투고 : 2017.07.22
  • 심사 : 2017.09.09
  • 발행 : 2017.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

One of the important phases of probabilistic performance-based methodology is establishing appropriate probabilistic seismic demand models (PSDMs). These demand models relate ground motion intensity measures (IMs) to demand measures (DMs). The objective of this paper is selection of the optimal IMs in probabilistic seismic demand analysis (PSDA) of the RC high-rise buildings. In selection process features such as: efficiency, practically, proficiency and sufficiency are considered. RC high-rise buildings with core wall structural system are selected as a case study building class with the three characteristic heights: 20-storey, 30-storey and 40-storey. In order to determine the most optimal IMs, 720 nonlinear time-history analyses are conducted for 60 ground motion records with a wide range of magnitudes and distances to source, and for various soil types, thus taking into account uncertainties during ground motion selection. The non-linear 3D models of the case study buildings are constructed. A detailed regression analysis and statistical processing of results are performed and appropriate PSDMs for the RC high-rise building are derived. Analyzing a large number of results it are adopted conclusions on the optimality of individual ground motion IMs for the RC high-rise building.

키워드

참고문헌

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피인용 문헌

  1. Probabilistic seismic demand analysis of steel moment frames by utilising Bayesian statistics pp.2116-7214, 2018, https://doi.org/10.1080/19648189.2018.1538905
  2. Seismic fragility analysis of RC frame-core wall buildings under the combined vertical and horizontal ground motions vol.20, pp.2, 2017, https://doi.org/10.12989/eas.2021.20.2.175
  3. Estimation of inter-story drifts at onset of damage states for RC high-rise buildings vol.21, pp.1, 2017, https://doi.org/10.12989/eas.2021.21.1.063