Structural Engineering and Mechanics

  • 제22권6호
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  • Pages.647-664
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  • 2006
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Transient stochastic analysis of nonlinear response of earth and rock-fill dams to spatially varying ground motion

  • 투고 : 2005.02.24
  • 심사 : 2005.12.26
  • 발행 : 2006.04.20
⟨ 이전 논문 다음 논문 ⟩

초록

The main purpose of this paper is to investigate the effect of transient stochastic analysis on nonlinear response of earth and rock-fill dams to spatially varying ground motion. The dam models are analyzed by a stochastic finite element method based on the equivalent linear method which considers the nonlinear variation of soil shear moduli and damping ratio as a function of shear strain. The spatial variability of ground motion is taken into account with the incoherence, wave-passage and site response effects. Stationary as well as transient stochastic response analyses are performed for the considered dam types. A time dependent frequency response function is used throughout the study for transient stochastic responses. It is observed that stationarity is a reasonable assumption for earth and rock-fill dams to typical durations of strong shaking.

키워드

참고문헌

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  15. Nonlinear Response of Earthfill Dams to Spatially Varying Ground Motion Including Site Response Effect vol.14, pp.2, 2011, https://doi.org/10.1260/1369-4332.14.2.223
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  17. Deconvolution effect of near-fault earthquake ground motions on stochastic dynamic response of tunnel-soil deposit interaction systems vol.12, pp.4, 2006, https://doi.org/10.5194/nhess-12-1151-2012
  18. Three dimensional seismic deformation-shear strain-swelling performance of America-California Oroville Earth-Fill Dam vol.24, pp.5, 2021, https://doi.org/10.12989/gae.2021.24.5.443