Earthquakes and Structures

  • 제4권3호
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  • Pages.285-297
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  • 2013
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Effect of soil-structure interaction for a building isolated with FPS

  • Krishnamoorthy, A. (Department of Civil Engineering, Manipal Institute of Technology)
  • 투고 : 2011.07.06
  • 심사 : 2012.06.09
  • 발행 : 2013.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

The effect of soil structure interaction (SSI) on seismic response of a multi-degree-of-freedom structure isolated with a friction pendulum system (FPS) is studied. In the analysis, the soil is considered as an elastic continuum and is modeled using the finite element method. The effect of SSI on response of the structure is evaluated for twenty far-field and twenty near-fault earthquake ground motions. The effect of friction coefficient of sliding material of FPS on SSI is also studied. The results of the study show that the seismic response of the structure increases for majority of the earthquake ground motions due to SSI. The sliding displacement and base shear are underestimated if SSI effects are ignored in the seismic analysis of structures isolated with FPS.

키워드

참고문헌

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피인용 문헌

  1. Base isolation performance of a cone-type friction pendulum bearing system vol.53, pp.2, 2015, https://doi.org/10.12989/sem.2015.53.2.227
  2. Effects of ground motion frequency content on performance of isolated bridges with SSI vol.13, pp.4, 2017, https://doi.org/10.12989/eas.2017.13.4.353
  3. Smoothed response spectra including soil-structure interaction effects vol.19, pp.1, 2013, https://doi.org/10.1007/s11803-020-0546-1
  4. Near-Fault Ground Motion Influence on the Seismic Responses of a Structure with Viscous Dampers considering SSI Effect vol.2021, pp.None, 2013, https://doi.org/10.1155/2021/6649124
  5. Slope topography effect on the seismic response of mid-rise buildings considering topography-soil-structure interaction vol.20, pp.2, 2013, https://doi.org/10.12989/eas.2021.20.2.187