EQUIVALENT SINGLE DEGREE OF FREEDOM METHOD FOR NONLINEAR DYNAMIC ANALYSIS OF EMBANKMENT

DOI Web Site 3 Citations 5 References
  • SAKAI Kimitoshi
    鉄道総合技術研究所 鉄道地震工学研究センター
  • ARAKI Go
    鉄道総合技術研究所 鉄道地震工学研究センター
  • MURONO Yoshitaka
    鉄道総合技術研究所 鉄道地震工学研究センター

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Other Title
  • 等価1自由度モデルを用いた盛土の地震時非線形挙動の評価

Abstract

 In this research, nonlinear dynamic analysis method using equivalent single degree of freedom model is proposed for seismic design of railway embankment. The response of embankment calculated by proposed method is well consistent with the response by 2D finite element method. From the results of static push-over analyses for various embankments, the model parameters used for the proposed method are characterized. These parameters can be represented by simple information such as the height of the embankment. Since proposed method can evaluate the dynamic response of railway embankments more convenient than conventional method, it is useful as the response evaluation method for a huge number of railway structures.

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