Earthquakes and Structures

  • 제2권1호
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  • Pages.25-42
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  • 2011
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

A mechanical model for the seismic vulnerability assessment of old masonry buildings

  • Pagnini, Luisa Carlotta (Department of Civil, Environmental and Architectural Engineering - DICAT, University of Genova) ;
  • Vicente, Romeu (Department of Civil Engineering - DECIVIL, University of Aveiro) ;
  • Lagomarsino, Sergio (Department of Civil, Environmental and Architectural Engineering - DICAT, University of Genova) ;
  • Varum, Humberto (Department of Civil Engineering - DECIVIL, University of Aveiro)
  • 투고 : 2010.06.09
  • 심사 : 2010.11.29
  • 발행 : 2011.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper discusses a mechanical model for the vulnerability assessment of old masonry building aggregates that takes into account the uncertainties inherent to the building parameters, to the seismic demand and to the model error. The structural capacity is represented as an analytical function of a selected number of geometrical and mechanical parameters. Applying a suitable procedure for the uncertainty propagation, the statistical moments of the capacity curve are obtained as a function of the statistical moments of the input parameters, showing the role of each one in the overall capacity definition. The seismic demand is represented by response spectra; vulnerability analysis is carried out with respect to a certain number of random limit states. Fragility curves are derived taking into account the uncertainties of each quantity involved.

키워드

참고문헌

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