Earthquakes and Structures

  • 제17권6호
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  • Pages.577-590
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  • 2019
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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

Expected damage for SDOF systems in soft soil sites: an energy-based approach

  • Quinde, Pablo (Intitute of Engineering, UNAM, Circuito Escolar, Ciudad Universitaria) ;
  • Reinoso, Eduardo (Intitute of Engineering, UNAM, Circuito Escolar, Ciudad Universitaria) ;
  • Teran-Gilmore, Amador (Departamento de Materiales, Universidad Autonoma Metropolitana) ;
  • Ramos, Salvador (Intitute of Engineering, UNAM, Circuito Escolar, Ciudad Universitaria)
  • 투고 : 2019.04.25
  • 심사 : 2019.10.26
  • 발행 : 2019.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

The seismic response of structures to strong ground motions is a complex problem that has been studied for decades. However, most of current seismic regulations do not assess the potential level of damage that a structure may undergo during a strong earthquake. This will happen in spite that the design objectives for any structural system are formulated in terms of acceptable levels of damage. In this article, we analyze the expected damage in single-degree-of-freedom systems subjected to long-duration ground motions generated in soft soil sites, such as those located in the lakebed of Mexico City. An energy-based methodology is formulated, under the consideration of input energy as the basis for the evaluation process, to estimate expected damage. The results of the proposed methodology are validated with damage curves established directly with nonlinear dynamic analyses.

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참고문헌

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