表層地盤の振動特性を考慮した埋込みSRモデルの研究

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タイトル別名
  • A STUDY ON SWAY-ROCKING MODELS CONSIDERING VIBRATION CHARACTERISTICS OF SURFACE STRATA
  • ヒョウソウ ジバン ノ シンドウ トクセイ オ コウリョシタ ウメコミ SR

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抄録

So-called extended sway-rocking model is frequently used in the design of embedded massive structures. When structures are embedded in soft surface layers, the model is apt to give larger shear force in the under-ground parts than the finite element method. In this paper, the authors have made clear through numerical survey using simplified models that this tendency can be attributed to the poor estimation of side wall impedance employed in the ordinary model. The authors have also proposed two modified models to evaluate the side wall impedance, and proved that the two models give more reasonable results than the ordinary sway-rocking model when foundations are embedded in soft surface strata.

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